fix: removing my changes on pull_request_template

Author: LucasAHorn

.github/pull_request_template.md

@@ -8,9 +8,9 @@ In order to reduce the number of notifications sent to the maintainers, please:
 
 <!-- For completed items, change [ ] to [x] -->
 
-- [X] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md).
-- [X] This pull request is all my own work -- I have not plagiarized it.
-- [X] All filenames are in PascalCase.
-- [X] All functions and variable names follow Java naming conventions.
-- [X] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
-- [X] All new code is formatted with `clang-format -i --style=file path/to/your/file.java`
+- [ ] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md).
+- [ ] This pull request is all my own work -- I have not plagiarized it.
+- [ ] All filenames are in PascalCase.
+- [ ] All functions and variable names follow Java naming conventions.
+- [ ] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
+- [ ] All new code is formatted with `clang-format -i --style=file path/to/your/file.java`