Dropped outdated klib version compatibility mechanisms

(cherry picked from commit 31fe91b6553ba08b83c581bfa8341e4a21805e97)

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -191,9 +191,6 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                         arguments.disablePhases.toNonNullList())
                 put(LIST_PHASES, arguments.listPhases)
 
-                put(COMPATIBLE_COMPILER_VERSIONS,
-                    arguments.compatibleCompilerVersions.toNonNullList())
-
                 put(ENABLE_ASSERTIONS, arguments.enableAssertions)
 
                 put(MEMORY_MODEL, when (arguments.memoryModel) {

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.kt

@@ -121,9 +121,6 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value="-Xcheck-dependencies", deprecatedName = "--check_dependencies", description = "Check dependencies and download the missing ones")
     var checkDependencies: Boolean = false
 
-    @Argument(value="-Xcompatible-compiler-version", valueDescription = "<version>", description = "Assume the given compiler version to be binary compatible")
-    var compatibleCompilerVersions: Array<String>? = null
-
     @Argument(value = EMBED_BITCODE_FLAG, description = "Embed LLVM IR bitcode as data")
     var embedBitcode: Boolean = false