[K/JS] Remove an internal system property and replace it with the new compiler flag

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/AbstractLookupTrackerTest.kt

@@ -168,9 +168,7 @@ abstract class AbstractJsLookupTrackerTest : AbstractLookupTrackerTest() {
             libraries = libPaths.joinToString(File.pathSeparator)
             reportOutputFiles = true
             freeArgs = filesToCompile.map { it.canonicalPath }
-            useDeprecatedLegacyCompiler = true
-            // TODO: It will be deleted after all of our internal vendors will use the new Kotlin/JS compiler
-            CompilerSystemProperties.KOTLIN_JS_COMPILER_LEGACY_FORCE_ENABLED.value = "true"
+            forceDeprecatedLegacyCompilerUsage = true
         }
         configureAdditionalArgs(args)
         return runJSCompiler(args, env)

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/BaseKotlinJpsBuildTestCase.kt

@@ -37,7 +37,6 @@ abstract class BaseKotlinJpsBuildTestCase : JpsBuildTestCase() {
     override fun setUp() {
         super.setUp()
         System.setProperty("kotlin.jps.tests", "true")
-        CompilerSystemProperties.KOTLIN_JS_COMPILER_LEGACY_FORCE_ENABLED.value = "true"
     }
 
     override fun shouldRunTest(): Boolean {

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/KotlinJpsBuildTestBase.kt

@@ -91,9 +91,7 @@ abstract class KotlinJpsBuildTestBase : AbstractKotlinJpsBuildTestCase() {
         myProject.modules.forEach {
             val facet = KotlinFacetSettings()
             facet.compilerArguments = K2JSCompilerArguments().apply {
-                useDeprecatedLegacyCompiler = true
-                // TODO: It will be deleted after all of our internal vendors will use the new Kotlin/JS compiler
-                CompilerSystemProperties.KOTLIN_JS_COMPILER_LEGACY_FORCE_ENABLED.value = "true"
+                forceDeprecatedLegacyCompilerUsage = true
             }
             facet.targetPlatform = JsPlatforms.defaultJsPlatform
 

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/dependeciestxt/ModulesTxt.kt

@@ -264,7 +264,7 @@ class ModulesTxtBuilder {
                 "js" -> settings.compilerArguments =
                     K2JSCompilerArguments().also {
                         settings.targetPlatform = JsPlatforms.defaultJsPlatform
-                        it.useDeprecatedLegacyCompiler = true
+                        it.forceDeprecatedLegacyCompilerUsage = true
                     }
                 "native" -> settings.compilerArguments =
                     FakeK2NativeCompilerArguments().also { settings.targetPlatform = NativePlatforms.unspecifiedNativePlatform }

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/incremental/AbstractJsProtoComparisonTest.kt

@@ -51,9 +51,7 @@ abstract class AbstractJsProtoComparisonTest : AbstractProtoComparisonTest<Proto
             metaInfo = true
             main = K2JsArgumentConstants.NO_CALL
             freeArgs = ktFiles
-            useDeprecatedLegacyCompiler = true
-            // TODO: It will be deleted after all of our internal vendors will use the new Kotlin/JS compiler
-            CompilerSystemProperties.KOTLIN_JS_COMPILER_LEGACY_FORCE_ENABLED.value = "true"
+            forceDeprecatedLegacyCompilerUsage = true
         }
 
         val env = createTestingCompilerEnvironment(messageCollector, outputItemsCollector, services)