[FE] Return Name? instead of List<Name> from getBuiltinFunctionNamesByJvmName

This is much more correct, because we have one to one mapping for
  special java functions in this case, so using single nullable name
  instead of list of names makes code more readable

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaClassMemberScope.kt

@@ -205,17 +205,15 @@ class LazyJavaClassMemberScope(
         }
 
     private fun SimpleFunctionDescriptor.doesOverrideRenamedBuiltins(): Boolean {
-        return SpecialGenericSignatures.getBuiltinFunctionNamesByJvmName(name).any {
-            // e.g. 'removeAt' or 'toInt'
-                builtinName ->
-            val builtinSpecialFromSuperTypes =
-                getFunctionsFromSupertypes(builtinName).filter { it.doesOverrideBuiltinWithDifferentJvmName() }
-            if (builtinSpecialFromSuperTypes.isEmpty()) return@any false
+        // e.g. 'removeAt' or 'toInt'
+        val builtinName = SpecialGenericSignatures.getBuiltinFunctionNamesByJvmName(name) ?: return false
+        val builtinSpecialFromSuperTypes =
+            getFunctionsFromSupertypes(builtinName).filter { it.doesOverrideBuiltinWithDifferentJvmName() }
+        if (builtinSpecialFromSuperTypes.isEmpty()) return false
 
-            val methodDescriptor = this.createRenamedCopy(builtinName)
+        val methodDescriptor = this.createRenamedCopy(builtinName)
 
-            builtinSpecialFromSuperTypes.any { doesOverrideRenamedDescriptor(it, methodDescriptor) }
-        }
+        return builtinSpecialFromSuperTypes.any { doesOverrideRenamedDescriptor(it, methodDescriptor) }
     }
 
     private fun SimpleFunctionDescriptor.doesOverrideSuspendFunction(): Boolean {