Simplify property hierarchy in reflection

Leave only 3*2 = 6 classes: KProperty0, KProperty1, KProperty2 and their
mutable analogs, depending on the number of receivers a property takes

compiler/testData/diagnostics/tests/callableReference/property/accessViaSubclass.kt

@@ -1,6 +1,6 @@
 // !CHECK_TYPE
 
-import kotlin.reflect.KMemberProperty
+import kotlin.reflect.KProperty1
 
 open class Base {
     val foo: Int = 42
@@ -10,6 +10,6 @@ open class Derived : Base()
 
 fun test() {
     val o = Base::foo
-    checkSubtype<KMemberProperty<Base, Int>>(o)
+    checkSubtype<KProperty1<Base, Int>>(o)
     checkSubtype<Int>(o.get(Derived()))
 }