remove redundant casts when extract changed parameter type accordingly (IDEA-79743)

java/java-tests/testSrc/com/intellij/refactoring/ExtractMethodTest.java

@@ -497,6 +497,10 @@ public class ExtractMethodTest extends LightCodeInsightTestCase {
     doTest();
   }
 
+  public void testRedundantCast() throws Exception {
+    doTest();
+  }
+
   private void doPrepareErrorTest(final String expectedMessage) throws Exception {
     String expectedError = null;
     try {