fix template for length [skip ci]

.github/ISSUE_TEMPLATE/indexer_request.md

@@ -1,6 +1,6 @@
 ---
 name: Indexer Request
-about: Request an indexer for Prowlarr. Check the pinned Jackett parity issue prior to submitting a request. Duplicated requests or requests covered in existing GitHub Issues will be closed without warning. Please search GitHub prior to requesting.
+about: Request an indexer for Prowlarr. Check the pinned Jackett parity issue prior to submitting a request. Duplicated requests will be closed without warning. Please search GitHub prior to requesting.
 title: '(Indexer) '
 labels: 'Type: Indexer Request'
 assignees: ''
@@ -14,4 +14,4 @@ assignees: ''
 **In Jackett?:** <Yes|No>
 
 **Additional context**
-<!-- Add any other context or screenshots about the request here. -->
+<!-- Add any other context or screenshots about the request here. -->