Remove outdated LMMS_EXCLUDE_PLUGINS entry (carla no longer shares a parent folder with LMMS plugins)

Author: tresf

cmake/linux/apprun-hooks/carla-hook.sh

@@ -22,9 +22,6 @@ if command -v carla > /dev/null 2>&1; then
 			break
 		fi
 	done
-else
-	echo "[$ME] Carla does not appear to be installed, we'll remove it from the plugin listing." >&2
-	export "LMMS_EXCLUDE_PLUGINS=libcarla,${LMMS_EXCLUDE_PLUGINS}"
 fi
 
 # Additional workarounds for library conflicts