Remove q info and change path to correct format

Removed q as it’s kind of generic and applies to many commands. Also
changed PATH to {{path}} to match the formatting of the other files.

pages/common/git-log.md

@@ -8,12 +8,8 @@
 
 - Show the history of a particular file or directory, including differences
 
-`git log -p PATH`
+`git log -p {{path}}`
 
 - Show only the first line of each commits
 
 `git log --oneline`
-
-- Quit out of git log
-
-`q`