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/kt7945_unrelatedClass.kt

@@ -1,10 +1,10 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
-import kotlin.reflect.KMemberProperty
+import kotlin.reflect.KProperty1
 
 class TestClass(var prop: Int)
 open class OtherClass
-fun OtherClass.test(prop: KMemberProperty<TestClass, Int>): Unit = throw Exception()
+fun OtherClass.test(prop: KProperty1<TestClass, Int>): Unit = throw Exception()
 class OtherClass2: OtherClass() {
     val result = test(TestClass::<!UNRESOLVED_REFERENCE!>result<!>)
 }