More code cleanup.

Author: aardvark179

src/main/java/org/truffleruby/extra/ffi/Pointer.java

@@ -17,7 +17,6 @@
 import org.truffleruby.RubyContext;
 import org.truffleruby.RubyLanguage;
 import org.truffleruby.SuppressFBWarnings;
-import org.truffleruby.core.FinalizationService;
 
 import com.oracle.truffle.api.CompilerDirectives;
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
@@ -365,7 +364,7 @@ private void enableAutoreleaseUnsynchronized(RubyLanguage language) {
     }
 
     @TruffleBoundary
-    public synchronized void disableAutorelease(FinalizationService finalizationService) {
+    public synchronized void disableAutorelease() {
         if (cleanable == null) {
             return;
         }

src/main/java/org/truffleruby/extra/ffi/PointerNodes.java

@@ -204,7 +204,7 @@ protected boolean enableAutorelease(RubyPointer pointer, boolean autorelease) {
 
         @Specialization(guards = "!autorelease")
         protected boolean disableAutorelease(RubyPointer pointer, boolean autorelease) {
-            pointer.pointer.disableAutorelease(getContext().getFinalizationService());
+            pointer.pointer.disableAutorelease();
             return autorelease;
         }