CS/QA: minor cleanup

Remove a few unused variables.

Author: jrfnl

tests/Core/Tokenizers/PHP/BackfillFnTokenTest.php

@@ -461,8 +461,6 @@ public function testNamespaceOperatorInTypes()
      */
     public function testKeywordReturnTypes($testMarker)
     {
-        $tokens = $this->phpcsFile->getTokens();
-
         $token = $this->getTargetToken($testMarker, T_FN);
         $this->backfillHelper($token);
         $this->scopePositionTestHelper($token, 11, 14);

tests/Core/Tokenizers/Tokenizer/CreateParenthesisNestingMapDNFTypesTest.php

@@ -218,7 +218,6 @@ public function testDNFTypeParentheses($testMarker)
         $this->assertArrayHasKey('parenthesis_closer', $closer, 'Parenthesis closer is not set');
         $this->assertSame($closePtr, $closer['parenthesis_closer'], 'Parenthesis closer is not the expected token');
 
-        $intersectionCount = 0;
         for ($i = ($openPtr + 1); $i < $closePtr; $i++) {
             $this->assertArrayHasKey('nested_parenthesis', $tokens[$i], "Nested parenthesis key not set on token $i ({$tokens[$i]['type']})");
             $this->assertArrayHasKey($openPtr, $tokens[$i]['nested_parenthesis'], 'Nested parenthesis is missing target parentheses set');