safe delete: ensure used static imports are preserved (IDEA-131240)

(cherry picked from commit e4ed1b3bdf3ea55047f0a94fbef1756e9d32c11c)

java/java-tests/testData/refactoring/safeDelete/overloadedMethods/after/foo/A.java

@@ -0,0 +1,4 @@
+package foo;
+public class A {
+  public static void foo(int i){}
+}

java/java-tests/testData/refactoring/safeDelete/overloadedMethods/after/foo/B.java

@@ -0,0 +1,9 @@
+package foo;
+
+import static foo.A.foo;
+
+public class B {
+  {
+    foo(1);
+  }
+}

java/java-tests/testData/refactoring/safeDelete/overloadedMethods/before/foo/A.java

@@ -0,0 +1,5 @@
+package foo;
+public class A {
+  public static void foo(int i){}
+  public static void f<caret>oo(String i){}
+}

java/java-tests/testData/refactoring/safeDelete/overloadedMethods/before/foo/B.java

@@ -0,0 +1,9 @@
+package foo;
+
+import static foo.A.foo;
+
+public class B {
+  {
+    foo(1);
+  }
+}