[K/N] Drop obsolete -Xmeaningful-bridge-names compiler flag

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

@@ -382,7 +382,6 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 })
                 putIfNotNull(RUNTIME_LOGS, arguments.runtimeLogs)
                 putIfNotNull(BUNDLE_ID, parseBundleId(arguments, outputKind, configuration))
-                put(MEANINGFUL_BRIDGE_NAMES, arguments.meaningfulBridgeNames)
                 arguments.testDumpOutputPath?.let { put(TEST_DUMP_OUTPUT_PATH, it) }
                 put(PARTIAL_LINKAGE, arguments.partialLinkage)
             }

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

@@ -358,9 +358,6 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xruntime-logs", valueDescription = "<tag1=level1,tag2=level2,...>", description = "Enable logging for runtime with tags.")
     var runtimeLogs: String? = null
 
-    @Argument(value = "-Xmeaningful-bridge-names", description = "(Unstable) Produce meaningful names for reverse bridges. Useful only for compiler tests.")
-    var meaningfulBridgeNames: Boolean = false
-
     @Argument(
             value = "-Xdump-tests-to",
             valueDescription = "<path>",