docs: remove extra new line from .golangci.example.yml

Author: jirfag

.golangci.example.yml

@@ -186,4 +186,4 @@ issues:
   new-from-rev: REV
 
   # Show only new issues created in git patch with set file path.
-  new-from-patch: path/to/patch/file
+  new-from-patch: path/to/patch/file