test(func-call-spacing): remove obsolete compatibility code (#2830)

Author: ST-DDT

tests/lib/rules/func-call-spacing.js

@@ -3,8 +3,7 @@
  */
 'use strict'
 
-const { RuleTester, ESLint } = require('../../eslint-compat')
-const semver = require('semver')
+const { RuleTester } = require('../../eslint-compat')
 const rule = require('../../../lib/rules/func-call-spacing')
 
 const tester = new RuleTester({
@@ -61,9 +60,7 @@ tester.run('func-call-spacing', rule, {
       `,
       errors: [
         {
-          message: semver.lt(ESLint.version, '7.0.0')
-            ? 'Unexpected newline between function name and paren.'
-            : 'Unexpected whitespace between function name and paren.',
+          message: 'Unexpected whitespace between function name and paren.',
           line: 3
         }
       ]
@@ -104,9 +101,7 @@ tester.run('func-call-spacing', rule, {
       </style>`,
       errors: [
         {
-          message: semver.lt(ESLint.version, '7.0.0')
-            ? 'Unexpected newline between function name and paren.'
-            : 'Unexpected whitespace between function name and paren.',
+          message: 'Unexpected whitespace between function name and paren.',
           line: 4
         }
       ]