[JS IR] Remove unused code

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/JsClassGenerator.kt

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.backend.common.compilationException
 import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
-import org.jetbrains.kotlin.ir.backend.js.JsLoweredDeclarationOrigin
 import org.jetbrains.kotlin.ir.backend.js.export.isAllowedFakeOverriddenDeclaration
 import org.jetbrains.kotlin.ir.backend.js.export.isExported
 import org.jetbrains.kotlin.ir.backend.js.export.isOverriddenExported
@@ -491,23 +490,6 @@ fun JsFunction.escapedIfNeed(): JsFunction {
 
 }
 
-fun JsStatement.isSimpleSuperCall(container: JsFunction): Boolean {
-    if (this !is JsExpressionStatement) return false
-    val invocation = expression as? JsInvocation ?: return false
-    if (invocation.qualifier !is JsSuperRef || container.parameters.size != invocation.arguments.size) return false
-
-    for (i in 0..container.parameters.lastIndex) {
-        val declaredParameter = container.parameters[i]
-        val providedParameter = (invocation.arguments[i] as? JsNameRef)?.takeIf { it.qualifier == null } ?: return false
-
-        if (declaredParameter.name != providedParameter.name) {
-            return false
-        }
-    }
-
-    return true
-}
-
 fun IrSimpleFunction?.shouldExportAccessor(context: JsIrBackendContext): Boolean {
     if (this == null) return false
 

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/JsNameLinkingNamer.kt

@@ -24,12 +24,12 @@ class JsNameLinkingNamer(
 
     val nameMap = mutableMapOf<IrDeclaration, JsName>()
 
-    private fun IrDeclarationWithName.getName(prefix: String = ""): JsName {
+    private fun IrDeclarationWithName.getName(): JsName {
         return nameMap.getOrPut(this) {
             val name = (this as? IrClass)?.let { context.localClassNames[this] } ?: let {
                 this.nameIfPropertyAccessor() ?: getJsNameOrKotlinName().asString()
             }
-            JsName(sanitizeName(prefix + name), true)
+            JsName(sanitizeName(name), true)
         }
     }