Drop resolution of deprecated plus/minus/get/set conventions

Also remove the corresponding quick fix

idea/testData/quickfix/modifiers/deprecatedDelegatesGetSetExtension.kt

@@ -1,10 +0,0 @@
-// "Rename to 'getValue'" "true"
-import kotlin.reflect.KProperty
-
-class CustomDelegate
-
-operator fun CustomDelegate.get(thisRef: Any?, prop: KProperty<*>): String = ""
-
-class Example {
-    val a: String <caret>by CustomDelegate()
-}

idea/testData/quickfix/modifiers/deprecatedDelegatesGetSetExtension.kt.after

@@ -1,10 +0,0 @@
-// "Rename to 'getValue'" "true"
-import kotlin.reflect.KProperty
-
-class CustomDelegate
-
-operator fun CustomDelegate.getValue(thisRef: Any?, prop: KProperty<*>): String = ""
-
-class Example {
-    val a: String by CustomDelegate()
-}

idea/testData/quickfix/modifiers/deprecatedDelegatesGetSetMember.kt

@@ -1,13 +0,0 @@
-// "Rename to 'setValue'" "true"
-// ERROR: 'get' method convention on type 'CustomDelegate' is no longer supported. Rename to 'getValue'
-
-import kotlin.reflect.KProperty
-
-class CustomDelegate {
-    operator fun get(thisRef: Any?, prop: KProperty<*>): String = ""
-    operator fun set(thisRef: Any?, prop: KProperty<*>, value: String) {}
-}
-
-class Example {
-    var a: String <caret>by CustomDelegate()
-}

idea/testData/quickfix/modifiers/deprecatedDelegatesGetSetMember.kt.after

@@ -1,13 +0,0 @@
-// "Rename to 'setValue'" "true"
-// ERROR: 'get' method convention on type 'CustomDelegate' is no longer supported. Rename to 'getValue'
-
-import kotlin.reflect.KProperty
-
-class CustomDelegate {
-    operator fun get(thisRef: Any?, prop: KProperty<*>): String = ""
-    operator fun setValue(thisRef: Any?, prop: KProperty<*>, value: String) {}
-}
-
-class Example {
-    var a: String by CustomDelegate()
-}