config-parser: consolidate shell files into weston.ini only

The shell choice happens in the configuration file now.

Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
diff --git a/src/shell.c b/src/shell.c
index a262b4f..ea3d0bf 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -164,7 +164,7 @@
 		{ "screensaver", saver_keys, ARRAY_LENGTH(saver_keys), NULL },
 	};
 
-	config_file = config_file_path("weston-desktop-shell.ini");
+	config_file = config_file_path("weston.ini");
 	parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
 	free(config_file);