Revert "Add tracking of cabal files"

This reverts commit 195468f.

Author: fendor

package.json

@@ -34,8 +34,7 @@
   },
   "activationEvents": [
     "onLanguage:haskell",
-    "onLanguage:literate haskell",
-    "onLanguage:cabal"
+    "onLanguage:literate haskell"
   ],
   "main": "./dist/extension",
   "contributes": {
@@ -50,15 +49,6 @@
           ".hs"
         ]
       },
-      {
-        "id": "cabal",
-        "aliases": [
-          "Cabal"
-        ],
-        "extensions": [
-          ".cabal"
-        ]
-      },
       {
         "id": "literate haskell",
         "aliases": [

src/extension.ts

@@ -259,7 +259,6 @@ async function activateServerForFolder(context: ExtensionContext, uri: Uri, fold
     documentSelector: [
       { scheme: 'file', language: 'haskell', pattern: pat },
       { scheme: 'file', language: 'literate haskell', pattern: pat },
-      { scheme: 'file', language: 'cabal', pattern: pat },
     ],
     synchronize: {
       // Synchronize the setting section 'haskell' to the server.