Improve dependency UI (#4503)

options/locale/locale_en-US.ini

@@ -794,6 +794,7 @@ issues.dependency.pr_no_dependencies = This pull request currently doesn't have
 issues.dependency.add = Add dependency...
 issues.dependency.cancel = Cancel
 issues.dependency.remove = Remove
+issues.dependency.remove_info = Remove this dependency
 issues.dependency.added_dependency = `<a href="%[1]s">%[2]s</a> added a new dependency %[3]s`
 issues.dependency.removed_dependency = `<a href="%[1]s">%[2]s</a> removed a dependency %[3]s`
 issues.dependency.issue_closing_blockedby = Closing this pull request is blocked by the following issues