Add inspection to highlight unnecessary explicit companion references

So #KT-22971 Fixed

idea/testData/inspectionsLocal/redundantCompanionReference/basic.kt

@@ -0,0 +1,9 @@
+class C {
+    companion object {
+        fun create() = C()
+    }
+}
+
+fun test() {
+    C.<caret>Companion.create()
+}