refactor: remove deprecated field from rule meta

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Author: headlessNode

lib/node_modules/@stdlib/_tools/eslint/rules/no-builtin-big-int/lib/main.js

@@ -127,8 +127,7 @@ rule = {
 	'meta': {
 		'type': 'problem',
 		'docs': {
-			'description': 'disallow the use of the built-in global `BigInt` literal syntax and constructor',
-			'category': 'ES2020'
+			'description': 'disallow the use of the built-in global `BigInt` literal syntax and constructor'
 		},
 		'schema': []
 	},