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.txt

@@ -0,0 +1,34 @@
+package
+
+package a {
+
+    public final class A {
+        public constructor A(/*0*/ b: kotlin.String)
+        public final val b: kotlin.String
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final fun mtd(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+        public companion object Companion {
+            private constructor Companion()
+            public final val c: kotlin.String = ""
+            public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+            public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+        }
+    }
+}
+
+package b {
+}
+
+package c {
+}
+
+package test {
+    public val x1: kotlin.Int
+    public val x3: kotlin.Int
+    public fun a.A.extFun1(): kotlin.Int
+    public fun </*0*/ T, /*1*/ R> T.with(/*0*/ f: T.() -> R): R
+}