Remove -Xexclude-from-dumping

Apparently the underlying logic was removed in b07690fccf and no one
noticed.

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt

@@ -248,12 +248,6 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
     )
     var phasesToDump: Array<String>? by FreezableVar(null)
 
-    @Argument(
-        value = "-Xexclude-from-dumping",
-        description = "Names of elements that should not be dumped"
-    )
-    var namesExcludedFromDumping: Array<String>? by FreezableVar(null)
-
     @Argument(
         value = "-Xdump-directory",
         description = "Dump backend state into directory"