JS: remove -XtypedArraysEnabled flag (always true now)

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JSCompilerArguments.kt

@@ -99,10 +99,6 @@ class K2JSCompilerArguments : CommonCompilerArguments() {
 
     // Advanced options
 
-    @GradleOption(DefaultValues.BooleanTrueDefault::class)
-    @Argument(value = "-Xtyped-arrays", description = "Translate primitive arrays to JS typed arrays")
-    var typedArrays: Boolean by FreezableVar(true)
-
     @GradleOption(DefaultValues.BooleanFalseDefault::class)
     @Argument(value = "-Xfriend-modules-disabled", description = "Disable internal declaration export")
     var friendModulesDisabled: Boolean by FreezableVar(false)

compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JSCompiler.java

@@ -388,8 +388,6 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
             configuration.put(JSConfigurationKeys.META_INFO, true);
         }
 
-        configuration.put(JSConfigurationKeys.TYPED_ARRAYS_ENABLED, arguments.getTypedArrays());
-
         configuration.put(JSConfigurationKeys.FRIEND_PATHS_DISABLED, arguments.getFriendModulesDisabled());
 
         if (!arguments.getFriendModulesDisabled() && arguments.getFriendModules() != null) {

compiler/testData/cli/js/jsExtraHelp.out

@@ -2,7 +2,6 @@ Usage: kotlinc-js <options> <source files>
 where advanced options include:
   -Xfriend-modules=<path>    Paths to friend modules
   -Xfriend-modules-disabled  Disable internal declaration export
-  -Xtyped-arrays             Translate primitive arrays to JS typed arrays
   -Xallow-kotlin-package     Allow compiling code in package 'kotlin' and allow not requiring kotlin.stdlib in module-info
   -Xcoroutines={enable|warn|error}
                              Enable coroutines or report warnings or errors on declarations and use sites of 'suspend' modifier