all: remove control center in its entirety

book/src/running.md

@@ -44,24 +44,6 @@ Then log out and select **Jay** from the session list.
 > ~$ sudo ln -s ~/.cargo/bin/jay /usr/local/bin/jay
 > ```
 
-## The Control Center
-
-Once Jay is running, press `alt-c` to open the
-[control center](control-center.md) -- a built-in GUI that lets you inspect and
-modify most compositor settings without editing config files or running CLI
-commands. From the control center you can:
-
-- Rearrange monitors with a visual drag-and-drop editor.
-- Configure input devices -- acceleration, tap behavior, keymaps, and more.
-- Switch GPUs and graphics APIs.
-- Adjust theme colors, fonts, borders, and gaps with live color pickers.
-- Manage idle timeouts and screen locking.
-- Search and filter windows and clients.
-- Toggle Xwayland and color management.
-
-You can also open it from the command line with `jay control-center`. See the
-[Control Center](control-center.md) chapter for a full tour of every pane.
-
 ## Default Keybindings
 
 Jay ships with a built-in default configuration. The most important default
@@ -99,9 +81,6 @@ keybindings are listed below.
 `alt-shift-f`
 : Toggle floating
 
-`alt-c`
-: Open the control center
-
 `alt-shift-c`
 : Close focused window