setting: Update pull_request_template.md

Author: toychip

.github/pull_request_template.md

@@ -1,19 +1,8 @@
 ### Issue number and Link
 
-이슈 번호
-
 - #
 
 ### Summary
 
-ex) 홈 화면 api를 구현하였습니다.
-
-### PR Type
-
-- [ ] Feature
-- [ ] Bugfix
-- [ ] Refactoring
-- [ ] Documentation
-- [ ] Other
 
 ### Other Information