[Parser] Do not support local contextual declarations

compiler/testData/codegen/box/extensionFunctions/contextReceivers/localDeclaration.kt

@@ -1,15 +0,0 @@
-// !LANGUAGE: +ContextReceivers
-// TARGET_BACKEND: JVM_IR
-// IGNORE_BACKEND_FIR: JVM_IR
-
-interface A {
-    val ok get() = "OK"
-}
-class B : A
-
-fun box(): String {
-    context(A) fun result() = ok
-    return with(B()) {
-        result()
-    }
-}