core: exclude inner classes from class dependencies (#318)

jadx-core/src/main/java/jadx/core/dex/nodes/MethodNode.java

@@ -152,8 +152,12 @@ public class MethodNode extends LineAttrNode implements ILoadable, IDexNode {
 		}
 		instructions = null;
 		blocks = null;
+		enterBlock = null;
 		exitBlocks = null;
 		exceptionHandlers.clear();
+		sVars.clear();
+		region = null;
+		loops.clear();
 	}
 
 	private boolean parseSignature() {

jadx-core/src/main/java/jadx/core/dex/visitors/DependencyCollector.java

@@ -30,6 +30,7 @@ public class DependencyCollector extends AbstractVisitor {
 			processClass(inner, dex, depList);
 		}
 		depList.remove(cls);
+		removeInnerClassesFromDeps(cls, depList);
 		return false;
 	}
 
@@ -122,4 +123,11 @@ public class DependencyCollector extends AbstractVisitor {
 			depList.add(clsNode.getTopParentClass());
 		}
 	}
+
+	private void removeInnerClassesFromDeps(ClassNode cls, Set<ClassNode> depList) {
+		cls.getInnerClasses().forEach(inner -> {
+			depList.remove(inner);
+			removeInnerClassesFromDeps(inner, depList);
+		});
+	}
 }