fix(template): fix wrong yaml example

Author: normal-coder

content/template/variables.md

@@ -68,7 +68,6 @@ Starlark example usage:
 
 Yaml example usage:
 ```
-Yaml example usage:
 - uid: {{ .repo.uid }}
 ```
 
@@ -89,4 +88,4 @@ active	     | Provides a boolean flag that indicates whether or not the reposito
 trusted	     | Provides a boolean flag that indicates whether or not the repository is trusted.
 protected	 | Provides a boolean flag that indicates whether or not the repository is protected.
 ignore_forks | Provides a boolean flag that indicates whether or not to ignore forks.
-ignore_pull_requests  | Provides a boolean flag that indicates whether or not to ignore pull requests.
+ignore_pull_requests  | Provides a boolean flag that indicates whether or not to ignore pull requests.