fix pr comments

Author: cynthiajoan

packages/firebase_ai/firebase_ai/lib/src/server_template/template_generative_model.dart

@@ -93,32 +93,9 @@ final class TemplateGenerativeModel extends BaseTemplateApiClientModel {
         null,
         _serializationStrategy.parseGenerateContentResponse);
   }
-
-  /// Generates content from a template with the given [templateId], [inputs] and
-  /// [history].
-  @experimental
-  Future<GenerateContentResponse> templateGenerateContentWithHistory(
-          Iterable<Content> history, String templateId,
-          {required Map<String, Object?> inputs}) =>
-      makeTemplateRequest(TemplateTask.templateGenerateContent, templateId,
-          inputs, history, _serializationStrategy.parseGenerateContentResponse);
-
-  /// Generates a stream of content from a template with the given [templateId],
-  /// [inputs] and [history].
-  @experimental
-  Stream<GenerateContentResponse> templateGenerateContentWithHistoryStream(
-      Iterable<Content> history, String templateId,
-      {required Map<String, Object?> inputs}) {
-    return streamTemplateRequest(
-        TemplateTask.templateStreamGenerateContent,
-        templateId,
-        inputs,
-        history,
-        _serializationStrategy.parseGenerateContentResponse);
-  }
 }
 
-/// Returns a [TemplateGenerativeModel] using it's private constructor.
+/// Returns a [TemplateGenerativeModel] using its private constructor.
 @experimental
 TemplateGenerativeModel createTemplateGenerativeModel({
   required FirebaseApp app,