simpler feature and model request forms

.github/ISSUE_TEMPLATE/20_feature_request.yml

@@ -1,6 +1,6 @@
 ---
 name: Feature request
 about: Request a new feature
-labels: ['feature request']
+labels: feature request
 ---
 

.github/ISSUE_TEMPLATE/30_model_request.yml

@@ -1,6 +1,5 @@
 ---
 name: Model request
 about: Request support for a new model to be added to Ollama
-labels: ['model request']
----
-
+labels: model request
+---