Remove intersection/union types from _type

Author: kraftwerk28

common/define-grammar.js

@@ -587,8 +587,6 @@ module.exports = function defineGrammar(dialect) {
 
       _type: $ => choice(
         $._primary_type,
-        $.union_type,
-        $.intersection_type,
         $.function_type,
         $.readonly_type,
         $.constructor_type,

tsx/src/grammar.json

@@ -8347,14 +8347,6 @@
           "type": "SYMBOL",
           "name": "_primary_type"
         },
-        {
-          "type": "SYMBOL",
-          "name": "union_type"
-        },
-        {
-          "type": "SYMBOL",
-          "name": "intersection_type"
-        },
         {
           "type": "SYMBOL",
           "name": "function_type"