meson: remove intel-clc options

This tool is gone.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: f0e18c475b ("intel: remove GRL/intel-clc")
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36625>

meson.options

@@ -685,24 +685,6 @@ option(
   description : 'Build vulkan drivers with BETA extensions enabled.'
 )
 
-option(
-  'intel-clc',
-  type : 'combo',
-  deprecated: {'true': 'enabled'},
-  value : 'auto',
-  choices : [
-    'enabled', 'system', 'auto'
-  ],
-  description : 'Build the intel-clc compiler or use a system version.'
-)
-
-option(
-  'install-intel-clc',
-  type : 'boolean',
-  value : false,
-  description : 'Install the intel-clc compiler (if needed for cross builds).'
-)
-
 option(
   'intel-rt',
   type : 'feature',