Remove single-line comment style

grammar.js

@@ -317,13 +317,10 @@ module.exports = grammar({
 
     at_keyword: $ => /@[a-zA-Z-_]+/,
 
-    comment: $ => token(choice(
-      seq('//', /.*/),
-      seq(
+    comment: $ => token(seq(
       '/*',
       /[^*]*\*+([^/*][^*]*\*+)*/,
       '/'
-      )
     ))
   }
 })

src/grammar.json

@@ -1571,22 +1571,6 @@
     "comment": {
       "type": "TOKEN",
       "content": {
-        "type": "CHOICE",
-        "members": [
-          {
-            "type": "SEQ",
-            "members": [
-              {
-                "type": "STRING",
-                "value": "//"
-              },
-              {
-                "type": "PATTERN",
-                "value": ".*"
-              }
-            ]
-          },
-          {
         "type": "SEQ",
         "members": [
           {
@@ -1603,8 +1587,6 @@
           }
         ]
       }
-        ]
-      }
     }
   },
   "extras": [