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/kt7564.kt

@@ -6,7 +6,7 @@ class A(var g: A) {
     val f: Int = 0
 
     fun test() {
-        checkSubtype<KMemberProperty<A, Int>>(::f)
-        checkSubtype<KMutableMemberProperty<A, A>>(::g)
+        checkSubtype<KProperty1<A, Int>>(::f)
+        checkSubtype<KMutableProperty1<A, A>>(::g)
     }
-}
+}