Update CSS language mode tests

Author: thecrypticace

packages/tailwindcss-language-server/tests/css/css-server.test.ts

@@ -618,17 +618,6 @@ defineTest({
 
     // Symbols show up for @custom-variant
     expect(await doc.symbols()).toMatchObject([
-      {
-        kind: SymbolKind.Module,
-        name: '@layer base',
-        location: {
-          uri: '{workspace:default}/file-1.css',
-          range: {
-            start: { line: 0, character: 0 },
-            end: { line: 4, character: 1 },
-          },
-        },
-      },
       {
         kind: SymbolKind.Class,
         name: '.foo',
@@ -640,17 +629,6 @@ defineTest({
           },
         },
       },
-      {
-        kind: SymbolKind.Module,
-        name: '@layer utilities',
-        location: {
-          uri: '{workspace:default}/file-1.css',
-          range: {
-            start: { line: 5, character: 0 },
-            end: { line: 9, character: 1 },
-          },
-        },
-      },
       {
         kind: SymbolKind.Class,
         name: '.bar',