grammar: remove seq from the _end rule

grammar.js

@@ -441,6 +441,6 @@ module.exports = grammar({
     line_comment: ($) => token(prec(PREC.COMMENT, seq("#", /.*/))),
 
     _eol: ($) => token(prec(PREC.EOL, "\n")),
-    _end: ($) => seq(choice(";", $._eol)),
+    _end: ($) => choice(";", $._eol),
   },
 });

src/grammar.json

@@ -2244,20 +2244,15 @@
       }
     },
     "_end": {
-      "type": "SEQ",
+      "type": "CHOICE",
       "members": [
         {
-          "type": "CHOICE",
-          "members": [
-            {
-              "type": "STRING",
-              "value": ";"
-            },
-            {
-              "type": "SYMBOL",
-              "name": "_eol"
-            }
-          ]
+          "type": "STRING",
+          "value": ";"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "_eol"
         }
       ]
     }