Fix style

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ctypes/PyCFuncPtrBuiltins.java

@@ -102,7 +102,6 @@
 import com.oracle.graal.python.builtins.objects.common.SequenceStorageNodes.GetInternalObjectArrayNode;
 import com.oracle.graal.python.builtins.objects.function.PKeyword;
 import com.oracle.graal.python.builtins.objects.list.PList;
-import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
 import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.builtins.objects.tuple.PTuple;
 import com.oracle.graal.python.builtins.objects.type.TypeNodes.GetNameNode;
@@ -132,7 +131,6 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
-import com.oracle.truffle.api.library.CachedLibrary;
 
 @CoreFunctions(extendClasses = PythonBuiltinClassType.PyCFuncPtr)
 public class PyCFuncPtrBuiltins extends PythonBuiltins {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/ctypes/StgDictBuiltins.java

@@ -63,7 +63,6 @@
 import com.oracle.graal.python.builtins.objects.dict.PDict;
 import com.oracle.graal.python.builtins.objects.function.PKeyword;
 import com.oracle.graal.python.builtins.objects.object.ObjectBuiltins;
-import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
 import com.oracle.graal.python.builtins.objects.str.PString;
 import com.oracle.graal.python.builtins.objects.tuple.PTuple;
 import com.oracle.graal.python.builtins.objects.type.TypeNodes.IsTypeNode;
@@ -95,7 +94,6 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
-import com.oracle.truffle.api.library.CachedLibrary;
 import com.oracle.truffle.api.nodes.Node;
 
 @CoreFunctions(extendClasses = PythonBuiltinClassType.StgDict)

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/capi/DynamicObjectNativeWrapper.java

@@ -128,7 +128,6 @@
 import com.oracle.graal.python.builtins.objects.mmap.PMMap;
 import com.oracle.graal.python.builtins.objects.module.PythonModule;
 import com.oracle.graal.python.builtins.objects.object.PythonObject;
-import com.oracle.graal.python.builtins.objects.object.PythonObjectLibrary;
 import com.oracle.graal.python.builtins.objects.property.PProperty;
 import com.oracle.graal.python.builtins.objects.set.PSet;
 import com.oracle.graal.python.builtins.objects.slice.PSlice;

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

@@ -328,6 +328,7 @@ HashingStorage delItemWithState(Object key, ThreadState state,
     }
 
     @ExportMessage
+    @Override
     HashingStorage clear() {
         map.clear();
         return this;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/type/TypeNodes.java

@@ -1103,7 +1103,7 @@ protected Object solidBase(Object type, GetBaseClassNode getBaseClassNode, Pytho
         }
 
         @TruffleBoundary
-        private boolean extraivars(Object type, Object base, Object typeSlots, Object baseSlots, GetInternalObjectArrayNode getArrayNode) {
+        private static boolean extraivars(Object type, Object base, Object typeSlots, Object baseSlots, GetInternalObjectArrayNode getArrayNode) {
             if (typeSlots == null && baseSlots != null && length(((PSequence) baseSlots).getSequenceStorage(), getArrayNode) != 0 ||
                             baseSlots == null && typeSlots != null && length(((PSequence) typeSlots).getSequenceStorage(), getArrayNode) != 0) {
                 return true;