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/memberFromTopLevel.kt

@@ -10,16 +10,16 @@ class A {
 fun test() {
     val p = A::foo
 
-    checkSubtype<KMemberProperty<A, Int>>(p)
-    checkSubtype<KMutableMemberProperty<A, Int>>(<!TYPE_MISMATCH!>p<!>)
+    checkSubtype<KProperty1<A, Int>>(p)
+    checkSubtype<KMutableProperty1<A, Int>>(<!TYPE_MISMATCH!>p<!>)
     checkSubtype<Int>(p.get(A()))
     p.get(<!NO_VALUE_FOR_PARAMETER!>)<!>
     p.<!UNRESOLVED_REFERENCE!>set<!>(A(), 239)
 
     val q = A::bar
 
-    checkSubtype<KMemberProperty<A, String>>(q)
-    checkSubtype<KMutableMemberProperty<A, String>>(q)
+    checkSubtype<KProperty1<A, String>>(q)
+    checkSubtype<KMutableProperty1<A, String>>(q)
     checkSubtype<String>(q.get(A()))
     q.set(A(), "q")
 }