Code cleanup: several inspections applied

j2k/src/org/jetbrains/kotlin/j2k/Utils.kt

@@ -23,7 +23,7 @@ import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.j2k.ast.*
 import org.jetbrains.kotlin.types.expressions.OperatorConventions
 
-fun quoteKeywords(packageName: String): String = packageName.split('.').map { Identifier.toKotlin(it) }.joinToString(".")
+fun quoteKeywords(packageName: String): String = packageName.split('.').joinToString(".") { Identifier.toKotlin(it) }
 
 fun getDefaultInitializer(property: Property): Expression? {
     val t = property.type

j2k/src/org/jetbrains/kotlin/j2k/ast/Modifier.kt

@@ -46,8 +46,7 @@ class Modifiers(modifiers: Collection<Modifier>) : Element() {
             modifiers.filter { it != Modifier.PUBLIC }
         val text = modifiersToInclude
                 .sortedBy { it.ordinal }
-                .map { it.toKotlin() }
-                .joinToString(" ")
+                .joinToString(" ") { it.toKotlin() }
         builder.append(text)
     }