Update PULL_REQUEST_TEMPLATE.md

Author: stevemao

must-open-issue-before-pr/PULL_REQUEST_TEMPLATE.md

@@ -1,8 +1,6 @@
 **IMPORTANT: Please do not create a Pull Request without creating an issue first.**
 
-*Any change needs to be discussed before proceeding.*
-
-*Failure to do so may result in the rejection of the pull request.*
+*Any change needs to be discussed before proceeding. Failure to do so may result in the rejection of the pull request.*
 
 Please provide enough information so that others can review your pull request: