Remove useless config subdirectory

.gitignore

@@ -1,3 +1,3 @@
 *~
-config/fish/fish_variables
+fish/fish_variables
 vim/.netrwhist

create_symlinks.sh

@@ -22,8 +22,8 @@ if which vim >/dev/null 2>&1; then
 	link_file vim .vim
 	link_file vimrc .vimrc
 fi
-which fish >/dev/null 2>&1 && link_file config/fish .config/fish ../
+which fish >/dev/null 2>&1 && link_file fish .config/fish ../
-which youtube-dl >/dev/null 2>&1 && link_file config/youtube-dl .config/youtube-dl ../
+which youtube-dl >/dev/null 2>&1 && link_file youtube-dl .config/youtube-dl ../
 which zsh >/dev/null 2>&1 && link_file zshrc .zshrc
 
 if test x"$(uname -s)" = x"Darwin"; then