GitHub: Remove new lines from feature-request.md

(to make checkstyle happy)
diff --git a/.github/ISSUE_TEMPLATE/feature-request.md b/.github/ISSUE_TEMPLATE/feature-request.md
index 6a74a2f..eac443a 100644
--- a/.github/ISSUE_TEMPLATE/feature-request.md
+++ b/.github/ISSUE_TEMPLATE/feature-request.md
@@ -6,5 +6,3 @@
 assignees: dcommander
 
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