Revert "Revert [JS IR] commits that failed build"

This reverts commit 740f851a

compiler/incremental-compilation-impl/test/org/jetbrains/kotlin/incremental/AbstractIncrementalJsKlibCompilerRunnerTest.kt

@@ -10,10 +10,8 @@ abstract class AbstractIncrementalJsKlibCompilerRunnerTest : AbstractIncremental
             libraries = "build/js-ir-runtime/full-runtime.klib"
             outputFile = File(destinationDir, "${testDir.name}.klib").path
             sourceMap = true
-            irBackend = true
-            irProduceOnly = "klib"
             // Don't zip klib content since date on files affect the md5 checksum we compute to check whether output files identical
-            irLegacyGradlePluginCompatibility = true
+            irProduceKlibDir = true
         }
 
     override val buildLogFinder: BuildLogFinder