Clean up mouse-demo kitten

Fixes #6738

docs/pointer-shapes.rst

@@ -32,7 +32,7 @@ First some examples::
 
 To demo the various shapes, simply run the following command inside kitty::
 
-    kitten mouse_demo
+    kitten mouse-demo
 
 For more details see below.
 
@@ -160,7 +160,7 @@ characters from the set ``a-z0-9_-``.
 
 To demo the various shapes, simply run the following command inside kitty::
 
-    kitten mouse_demo
+    kitten mouse-demo
 
 Legacy xterm compatibility
 ----------------------------

kittens/runner.py

@@ -133,7 +133,7 @@ def run_kitten(kitten: str, run_name: str = '__main__') -> None:
 def all_kitten_names() -> FrozenSet[str]:
     ans = []
     for name in list_kitty_resources('kittens'):
-        if '__' not in name and '.' not in name and name not in ('tui', 'mouse_demo'):
+        if '__' not in name and '.' not in name and name != 'tui':
             ans.append(name)
     return frozenset(ans)
 

tools/cmd/tool/main.go

@@ -11,7 +11,6 @@ import (
 	"kitty/kittens/hints"
 	"kitty/kittens/hyperlinked_grep"
 	"kitty/kittens/icat"
-	"kitty/kittens/mouse_demo"
 	"kitty/kittens/show_key"
 	"kitty/kittens/ssh"
 	"kitty/kittens/themes"
@@ -20,6 +19,7 @@ import (
 	"kitty/tools/cli"
 	"kitty/tools/cmd/at"
 	"kitty/tools/cmd/edit_in_kitty"
+	"kitty/tools/cmd/mouse_demo"
 	"kitty/tools/cmd/pytest"
 	"kitty/tools/cmd/run_shell"
 	"kitty/tools/cmd/show_error"
@@ -53,7 +53,7 @@ func KittyToolEntryPoints(root *cli.Command) {
 	show_key.EntryPoint(root)
 	// mouse_demo
 	root.AddSubCommand(&cli.Command{
-		Name:             "mouse_demo",
+		Name:             "mouse-demo",
 		ShortDescription: "Demo the mouse handling kitty implements for terminal programs",
 		OnlyArgsAllowed:  true,
 		Run: func(cmd *cli.Command, args []string) (rc int, err error) {