[#129, #211] Remove z

.gitmodules

@@ -7,6 +7,3 @@
 [submodule "modules/completion/external"]
 	path = modules/completion/external
 	url = https://github.com/zsh-users/zsh-completions.git
-[submodule "modules/z/external"]
-	path = modules/z/external
-	url = https://github.com/rupa/z.git

modules/z/README.md

@@ -1,21 +0,0 @@
-Z
-=
-
-Integrates [z][1] into Prezto, which maintains a frequently used directory
-list for fast directory changes.
-
-Aliases
--------
-
-  - `j` changes the current working directory to the most *frecent* match.
-
-Authors
--------
-
-*The authors of this module should be contacted via the [issue tracker][2].*
-
-  - [Sorin Ionescu](https://github.com/sorin-ionescu)
-
-[1]: https://github.com/rupa/z
-[2]: https://github.com/sorin-ionescu/prezto/issues
-

modules/z/external

@@ -1 +0,0 @@
-Subproject commit 9bf5feb86ac05ad32cd8fbf46d459eb415eed749

modules/z/init.zsh

@@ -1,19 +0,0 @@
-#
-# Maintains a frequently used directory list for fast directory changes.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-# Set the directory changing command.
-_Z_CMD='j'
-
-# Prevent symbolic link resolution.
-_Z_NO_RESOLVE_SYMLINKS=1
-
-# Source module files.
-source "${0:h}/external/z.sh"
-
-# Cleanup.
-unset _Z_{CMD,NO_RESOLVE_SYMLINKS}
-