Properly resolve values in 1st qualifier part (see implicitReceiverProperty test).

Look into QUALIFIER for left-most "unrolled" qualified expression
    in CallExpressionResolver#getQualifiedExpressionTypeInfo.
Drop some unused functions.

compiler/testData/diagnostics/tests/resolve/implicitReceiverProperty.kt

@@ -0,0 +1,33 @@
+// FILE: a.kt
+package a
+
+class A(val b: String) {
+    companion object {
+        val c: String = ""
+    }
+
+    fun mtd() = c.length
+}
+
+// FILE: b.kt
+package b
+
+// FILE: c.kt
+package c
+
+// FILE: test.kt
+package test
+
+import a.A
+
+fun <T, R> T.with(f: T.() -> R) = f()
+
+fun A.extFun1() = b.length
+
+// fun A.extFun2() = c.length // TODO fix KT-9953
+
+val x1 = A("").with { b.length }
+
+// val x2 = A("").with { c.length } // TODO fix KT-9953
+
+val x3 = A.with { c.length }