Infra: Remove invalid access rules

Those should never have been added.

Author: Bananeweizen

net.sf.eclipsecs.core/.classpath

@@ -5,11 +5,7 @@
 			<attribute name="module" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins">
-		<accessrules>
-			<accessrule kind="accessible" pattern="com/puppycrawl/tools/checkstyle/meta/**"/>
-		</accessrules>
-	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="lib" path="lib/checkstyle-10.6.0-all.jar"/>
 	<classpathentry kind="output" path="target/classes"/>