Remove unnecessary linebreaks.

.github/pull_request_template.md

@@ -1,23 +1,16 @@
 ## Changes in this PR
-*Clearly and concisely summarize the changes you are making. Bullet
-points are completely okay. Please be specific, saying "improves X"
-is not enough!*
+*Clearly and concisely summarize the changes you are making. Bullet points are completely okay. Please be specific, saying "improves X" is not enough!*
 
 ### Why are you making these changes?
-*Explain why these changes are necessary. Link to GitHub issues here
-with the format `fixes: #XXX` to indicate this PR resolves the issue.*
+*Explain why these changes are necessary. Link to GitHub issues here with the format `fixes: #XXX` to indicate this PR resolves the issue.*
 
 ### Are any changes breaking? (IMPORTANT)
-*Will merging this PR change `poly`'s API in a non-backwards-compatible
-manner?*
+*Will merging this PR change `poly`'s API in a non-backwards-compatible manner?*
 
 *Examples of breaking changes:*
 * *Removing a method from a struct.*
 * *Deleting/moving a package.*
-* *Adding a method to an interface (client may have made their own
-    implementation of this interface, and adding a method to the
-    interface could cause client's implementation to no longer satisfy
-    the interface).*
+* *Adding a method to an interface (client may have made their own     implementation of this interface, and adding a method to the     interface could cause client's implementation to no longer satisfy     the interface).*
 
 *Examples of non-breaking changes:*
 * *Adding a method to a struct.*