Doc: remove obsolete CLI commands

The commands to disable debugger have been removed.

Change-Id: I6a6fea47416e2aae00dbbcf308c5b6a819f6063a
Reviewed-by: hjk <qthjk@ovi.com>

doc/src/howto/creator-cli.qdoc

@@ -90,19 +90,6 @@
             \o -color <color>
             \o Core plugin: override the selected UI color.
 
-        \row
-            \o -disable-cdb
-            \o Debugger plugin: disable the Microsoft Console Debugger (CDB)
-            engine. For more information, see \l{Debugging}.
-
-        \row
-            \o -disable-gdb
-            \o Debugger plugin: disable the GNU Symbolic Debugger (GDB) engine.
-
-        \row
-            \o -disable-sdb
-            \o Debugger plugin: disable the Qt Script debugger engine.
-
         \row
             \o -debug <PID-or-corefile>
             \o Debugger plugin: attach to process ID or core file.