removes unneeded layer matches

Author: argyleink

CSS3.sublime-syntax

@@ -10818,7 +10818,7 @@ contexts:
   #     property2: value2;
   # }
   rule:
-    - match: '(?=[\w.:#\[*-&]|@layer)'
+    - match: '(?=[\w.:#\[*-&])'
       push:
         - meta_scope: meta.rule.css
         - match: '}'
@@ -10844,7 +10844,7 @@ contexts:
   selector:
     # This match applies a single meta.selector.css scope to a comma-separated
     # list of selectors, so that they appear as one entry in the Symbol List.
-    - match: '(?=[\w.:#\[*-&]|@layer)'
+    - match: '(?=[\w.:#\[*-&])'
       push:
         - meta_content_scope: meta.selector.css
         - match: '(?={)'