PHPCS: remove redundant exclusion

The test bootstrap file no longer creates aliases for the old PHPUnit class names, so this exclusion is no longer needed.

Author: jrfnl

phpcs.xml.dist

@@ -157,11 +157,6 @@
     <!-- Do not allow ambiguous conditions. -->
     <rule ref="Generic.CodeAnalysis.RequireExplicitBooleanOperatorPrecedence"/>
 
-    <!-- The testing bootstrap file uses string concats to stop IDEs seeing the class aliases -->
-    <rule ref="Generic.Strings.UnnecessaryStringConcat">
-        <exclude-pattern>tests/bootstrap\.php</exclude-pattern>
-    </rule>
-
     <!-- This test file specifically *needs* Windows line endings for testing purposes. -->
     <rule ref="Generic.Files.LineEndings.InvalidEOLChar">
         <exclude-pattern>tests/Core/Tokenizers/PHP/*WinTest\.php</exclude-pattern>