Remove the compiler option "Xmultifile-facades-open"

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -64,9 +64,6 @@ public class K2JVMCompilerArguments extends CommonCompilerArguments {
     @Argument(value = "Xreport-perf", description = "Report detailed performance statistics")
     public boolean reportPerf;
 
-    @Argument(value = "Xmultifile-facades-open", description = "Compile multifile facade classes as open")
-    public boolean multifileFacadesOpen;
-
     @Argument(value = "Xallow-kotlin-package", description = "Allow compiling code in package 'kotlin'")
     public boolean allowKotlinPackage;