Disable npm package lock file

Related to issue #91

Author: Sergey Mashkov

kotlin-frontend/src/main/kotlin/org/jetbrains/kotlin/gradle/frontend/npm/GeneratePackagesJsonTask.kt

@@ -122,9 +122,12 @@ open class GeneratePackagesJsonTask : DefaultTask() {
         packageJsonFile.writeText(JsonBuilder(resultJson).toPrettyString())
         npmrcFile.writeText("""
         progress=false
+        package-lock=false
         # cache-min=3600
         """.trimIndent())
 
+        npmrcFile.resolveSibling("package-lock.json").delete()
+
         if (buildPackageJsonFile != null) {
             buildPackageJsonFile.parentFile.mkdirsOrFail()
             packageJsonFile.copyTo(buildPackageJsonFile, overwrite = true)