extract superclass: do not extract class type parameter if method one is used

java/java-tests/testData/refactoring/extractSuperClass/methodTypeParameter/after/Test.java

@@ -0,0 +1,3 @@
+public class Test {
+    public <T> T m(){return null;}
+}

java/java-tests/testData/refactoring/extractSuperClass/methodTypeParameter/after/TestSubclass.java

@@ -0,0 +1,2 @@
+public class TestSubclass extends Test {
+}

java/java-tests/testData/refactoring/extractSuperClass/methodTypeParameter/before/Test.java

@@ -0,0 +1,3 @@
+public class Test {
+    public <T> T m(){return null;}
+}