Change kitty +kitten -> kitten in docs

All kittens except for the broadcast and panel kittens have now been
ported to Go and so can be run with just kitten rather than kitty
+kitten. So update the docs to use this canonical form for launching
kittens

docs/kittens/clipboard.rst

@@ -9,13 +9,13 @@ clipboard
 The ``clipboard`` kitten can be used to read or write to the system clipboard
 from the shell. It even works over SSH. Using it is as simple as::
 
-    echo hooray | kitty +kitten clipboard
+    echo hooray | kitten clipboard
 
 All text received on :file:`STDIN` is copied to the clipboard.
 
 To get text from the clipboard::
 
-    kitty +kitten clipboard --get-clipboard
+    kitten clipboard --get-clipboard
 
 The text will be written to :file:`STDOUT`. Note that by default kitty asks for
 permission when a program attempts to read the clipboard. This can be
@@ -29,22 +29,22 @@ more than just plain text from the system clipboard. You can transfer arbitrary
 data types. Best illustrated with some examples::
 
     # Copy an image to the clipboard:
-    kitty +kitten clipboard picture.png
+    kitten clipboard picture.png
 
     # Copy an image and some text to the clipboard:
-    kitty +kitten clipboard picture.jpg text.txt
+    kitten clipboard picture.jpg text.txt
 
     # Copy text from STDIN and an image to the clipboard:
-    echo hello | kitty +kitten clipboard picture.png /dev/stdin
+    echo hello | kitten clipboard picture.png /dev/stdin
 
     # Copy any raster image available on the clipboard to a PNG file:
-    kitty +kitten clipboard -g picture.png
+    kitten clipboard -g picture.png
 
     # Copy an image to a file and text to STDOUT:
-    kitty +kitten clipboard -g picture.png /dev/stdout
+    kitten clipboard -g picture.png /dev/stdout
 
     # List the formats available on the system clipboard
-    kitty +kitten clipboard -g -m . /dev/stdout
+    kitten clipboard -g -m . /dev/stdout
 
 Normally, the kitten guesses MIME types based on the file names. To control the
 MIME types precisely, use the :option:`--mime <kitty +kitten clipboard --mime>` option.

docs/kittens/diff.rst

@@ -39,7 +39,7 @@ Usage
 
 In the kitty terminal, run::
 
-    kitty +kitten diff file1 file2
+    kitten diff file1 file2
 
 to see the diff between :file:`file1` and :file:`file2`.
 
@@ -48,7 +48,7 @@ example:
 
 .. code-block:: sh
 
-    alias d="kitty +kitten diff"
+    alias d="kitten diff"
 
 Now all you need to do to diff two files is::
 
@@ -103,9 +103,9 @@ Add the following to :file:`~/.gitconfig`:
         prompt = false
         trustExitCode = true
     [difftool "kitty"]
-        cmd = kitty +kitten diff $LOCAL $REMOTE
+        cmd = kitten diff $LOCAL $REMOTE
     [difftool "kitty.gui"]
-        cmd = kitty kitty +kitten diff $LOCAL $REMOTE
+        cmd = kitten diff $LOCAL $REMOTE
 
 Now to use kitty-diff to view git diffs, you can simply do::
 

docs/kittens/hyperlinked_grep.rst

@@ -26,7 +26,7 @@ following contents:
 
 Now, run a search with::
 
-    kitty +kitten hyperlinked_grep something
+    kitten hyperlinked_grep something
 
 Hold down the :kbd:`Ctrl+Shift` keys and click on any of the result lines, to
 open the file in :program:`vim` at the matching line. If you use some editor
@@ -36,7 +36,7 @@ accordingly.
 Finally, add an alias to your shell's rc files to invoke the kitten as
 :command:`hg`::
 
-    alias hg="kitty +kitten hyperlinked_grep"
+    alias hg="kitten hyperlinked_grep"
 
 
 You can now run searches with::

docs/kittens/icat.rst

@@ -6,7 +6,7 @@ icat
 The ``icat`` kitten can be used to display arbitrary images in the |kitty|
 terminal. Using it is as simple as::
 
-    kitty +kitten icat image.jpeg
+    kitten icat image.jpeg
     kitten icat image.jpeg
 
 It supports all image types supported by `ImageMagick
@@ -15,7 +15,7 @@ It supports all image types supported by `ImageMagick
 
 You might want to create an alias in your shell's configuration files::
 
-   alias icat="kitty +kitten icat"
+   alias icat="kitten icat"
 
 Then you can simply use ``icat image.png`` to view images.
 

docs/kittens/ssh.rst

@@ -33,14 +33,14 @@ To try it out, simply run:
 
 .. code-block:: sh
 
-    kitty +kitten ssh some-hostname-to-connect-to
+    kitten ssh some-hostname-to-connect-to
 
 You should end up at a shell prompt on the remote host, with shell integration
 enabled. If you like it you can add an alias to it in your shell's rc files:
 
 .. code-block:: sh
 
-    alias s="kitty +kitten ssh"
+    alias s="kitten ssh"
 
 So now you can just type ``s hostname`` to connect.
 
@@ -79,7 +79,7 @@ Additionally, you can pass config options on the command line:
 
 .. code-block:: sh
 
-   kitty +kitten ssh --kitten interpreter=python servername
+   kitten ssh --kitten interpreter=python servername
 
 The :code:`--kitten` argument can be specified multiple times, with directives
 from :file:`ssh.conf`. These override the final options used for the matched host, as if they

docs/kittens/themes.rst

@@ -5,7 +5,7 @@ The themes kitten allows you to easily change color themes, from a collection of
 over three hundred pre-built themes available at `kitty-themes
 <https://github.com/kovidgoyal/kitty-themes>`_. To use it, simply run::
 
-    kitty +kitten themes
+    kitten themes
 
 
 .. image:: ../screenshots/themes.png
@@ -72,7 +72,7 @@ Changing the theme non-interactively
 You can specify the theme name as an argument when invoking the kitten to have
 it change to that theme instantly. For example::
 
-    kitty +kitten themes --reload-in=all Dimmed Monokai
+    kitten themes --reload-in=all Dimmed Monokai
 
 Will change the theme to ``Dimmed Monokai`` in all running kitty instances. See
 below for more details on non-interactive operation.