tweak: remove non-existent test

Author: g105b

phpcs.xml

@@ -24,7 +24,6 @@
 	<rule ref="Generic.Files.OneObjectStructurePerFile" />
 	<rule ref="Generic.Files.OneTraitPerFile" />
 	<rule ref="Generic.Formatting.DisallowMultipleStatements" />
-	<rule ref="Generic.Formatting.NoSpaceAfterCast" />
 	<rule ref="Generic.Functions.FunctionCallArgumentSpacing" />
 	<rule ref="Generic.Functions.OpeningFunctionBraceKernighanRitchie" />
 	<rule ref="Generic.Metrics.CyclomaticComplexity" />