remove useless code

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/common/CExtCommonNodes.java

@@ -85,7 +85,6 @@
 import com.oracle.graal.python.nodes.util.CastToJavaBooleanNode;
 import com.oracle.graal.python.nodes.util.CastToJavaLongLossyNode;
 import com.oracle.graal.python.nodes.util.CastToJavaStringNode;
-import com.oracle.graal.python.runtime.GilNode;
 import com.oracle.graal.python.runtime.PythonContext;
 import com.oracle.graal.python.runtime.PythonOptions;
 import com.oracle.graal.python.runtime.exception.PException;
@@ -215,7 +214,6 @@ public final Object call(CExtContext nativeContext, NativeCExtSymbol symbol, Obj
         static Object doIt(CExtContext nativeContext, NativeCExtSymbol symbol, Object[] args,
                         @CachedLibrary(limit = "1") InteropLibrary interopLibrary,
                         @Cached ImportCExtSymbolNode importCExtSymbolNode,
-                        @Cached GilNode gil,
                         @Cached PRaiseNode raiseNode) {
             try {
                 return interopLibrary.execute(importCExtSymbolNode.execute(nativeContext, symbol), args);