Revert "Update bootstrap to 1.2.20-dev-732"

This reverts commit f7ccc4144c.

build.gradle.kts

@@ -9,7 +9,7 @@ import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
 buildscript {
     extra["defaultSnapshotVersion"] = "1.2-SNAPSHOT"
 
-    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.20-dev-732", onlySuccessBootstrap = false))
+    kotlinBootstrapFrom(BootstrapOption.TeamCity("1.2.20-dev-524", onlySuccessBootstrap = false))
 
     val repos = listOfNotNull(
             bootstrapKotlinRepo,
@@ -241,7 +241,7 @@ allprojects {
     configureJvmProject(javaHome!!, jvmTarget!!)
 
     val commonCompilerArgs = listOf("-Xallow-kotlin-package")
-
+    
     tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinCompile<*>> {
         kotlinOptions {
             languageVersion = kotlinLanguageVersion