safe delete: search for all method in hierarchy when delete param (IDEA-59114)

java/java-tests/testData/refactoring/safeDelete/parameterInHierarchy/before/C1.java

@@ -0,0 +1,5 @@
+public class C1 implements I {
+  public void f(int a1, int a2) {
+
+  }
+}

java/java-tests/testData/refactoring/safeDelete/parameterInHierarchy/before/I.java

@@ -0,0 +1,3 @@
+public interface I {
+  void f(int a1, int a2);
+}

java/java-tests/testData/refactoring/safeDelete/parameterInHierarchy/before/Super.java

@@ -0,0 +1,5 @@
+public class C2 extends C1 {
+  public void f(int a1, int a<caret>2) {
+    super.f(a1, a2);
+  }
+}