Revert "Replace with ordinary assignment: do not suggest when operator is augmented assignment operator function"

This reverts commit 73e319ca

idea/testData/intentions/replaceWithOrdinaryAssignment/minusAssignOperatorFun.kt

@@ -1,7 +0,0 @@
-// IS_APPLICABLE: false
-operator fun Int.minusAssign(element: Int) {}
-
-fun test() {
-    val x = 1
-    x <caret>-= 9
-}

idea/testData/intentions/replaceWithOrdinaryAssignment/mutableList.kt

@@ -1,6 +0,0 @@
-// IS_APPLICABLE: false
-// WITH_RUNTIME
-fun main() {
-    val mutableList = mutableListOf(4, 5, 6, 7, 8)
-    mutableList <caret>+= 9
-}

idea/testData/intentions/replaceWithOrdinaryAssignment/plusAssignOperatorFun.kt

@@ -1,7 +0,0 @@
-// IS_APPLICABLE: false
-operator fun Int.plusAssign(element: Int)  {}
-
-fun test() {
-    val x = 1
-    x <caret>+= 9
-}

idea/testData/intentions/replaceWithOrdinaryAssignment/qualifiedExpression.kt

@@ -1,8 +0,0 @@
-class Foo {
-    var x: Int = 1
-}
-
-fun main() {
-    val foo = Foo()
-    foo.x <caret>+= 1
-}

idea/testData/intentions/replaceWithOrdinaryAssignment/qualifiedExpression.kt.after

@@ -1,8 +0,0 @@
-class Foo {
-    var x: Int = 1
-}
-
-fun main() {
-    val foo = Foo()
-    foo.x = foo.x + 1
-}