Remove some CARBON Edits (#4571)

* remove some unnecessary sql carbon edits to vs source and adds correct fix where necessary

* revert bad change

extensions/mssql/package.json

@@ -36,17 +36,6 @@
   },
   "devDependencies": {},
   "contributes": {
-    "languages": [
-      {
-        "id": "sql",
-        "extensions": [
-          ".sql"
-        ],
-        "aliases": [
-          "SQL"
-        ]
-      }
-    ],
     "commands": [
       {
         "command": "mssqlCluster.uploadFiles",