remove SlevomatCodingStandard.Classes.RequireSelfReference (#5)

because doctrine/orm cannot resolve self types

Author: JanTvrdik

ShipMonkCodingStandard/ruleset.xml

@@ -142,7 +142,6 @@
             <property name="minParametersCount" value="2"/>
         </properties>
     </rule>
-    <rule ref="SlevomatCodingStandard.Classes.RequireSelfReference"/>
     <rule ref="SlevomatCodingStandard.Classes.TraitUseDeclaration"/>
     <rule ref="SlevomatCodingStandard.Classes.TraitUseSpacing"/>
     <rule ref="SlevomatCodingStandard.Classes.UselessLateStaticBinding"/>