Fixed gpla and Vim mappings

- gpla: Pop stashed changes before clearing them.
- Vim mappings: Remove spacing at end because Vim already adds a space
  after mappings.

aliases/.pc_aliases

@@ -4,7 +4,7 @@ if [ "$(whoami)" == "kevin" ]; then
 
 	alias mt="ok ~/Documents/School/calc-textbook.pdf"
 	alias clc="gcalccmd"
-	alias 36t="ok ~/Documents/School/236-textbook.pdf"
+	alias 6t="ok ~/Documents/School/236-textbook.pdf"
 fi
 # Both PC/Laptop }}}