Merge ReplaceJavaIntegerToStringWithMemberInspection and ReplaceJavaStaticMethodWithTopLevelFunctionInspection

Relates to #KT-12721

idea/testData/inspectionsLocal/replaceJavaIntegerToStringWithMember/.inspection

@@ -1 +0,0 @@
-org.jetbrains.kotlin.idea.inspections.ReplaceJavaIntegerToStringWithMemberInspection

idea/testData/inspectionsLocal/replaceJavaStaticMethodWithTopLevelFunction/toString/intToString.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo() {
+    val t = Integer.<caret>toString(5) + 7
+}

idea/testData/inspectionsLocal/replaceJavaStaticMethodWithTopLevelFunction/toString/intToString.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun foo() {
+    val t = 5.toString() + 7
+}

idea/testData/inspectionsLocal/replaceJavaStaticMethodWithTopLevelFunction/toString/intToString2.kt

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+
+fun foo() {
+    val b = listOf(42, 10)
+    println(Integer<caret>.toString(b.first(), b.last()).let{it} + 1)
+}

idea/testData/inspectionsLocal/replaceJavaStaticMethodWithTopLevelFunction/toString/intToString2.kt.after

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+
+fun foo() {
+    val b = listOf(42, 10)
+    println(b.first().toString(b.last()).let{it} + 1)
+}