[JS IR] explicitly mark JsName's temporary or not

js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/JsImport.kt

@@ -14,7 +14,7 @@ class JsImport(
         val name: JsName,
         val alias: JsName?
     ) {
-        constructor(name: String, alias: String?) : this(JsName(name), alias?.let { JsName(it) })
+        constructor(name: String, alias: String?) : this(JsName(name, false), alias?.let { JsName(it, false) })
     }
 
     override fun accept(visitor: JsVisitor) {

js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/JsName.java

@@ -25,10 +25,6 @@ public class JsName extends HasMetadata implements Symbol {
     this.temporary = temporary;
   }
 
-  public JsName(@NotNull String ident) {
-    this(ident, false);
-  }
-
   public boolean isTemporary() {
     return temporary;
   }