Remove obsolete :module property from wanderlust & dependencies

This property was a holdover from when these recipes were CVS-based.
It should have been removed when they were switched over to git-based
recipes.

recipes/apel.rcp

@@ -2,7 +2,6 @@
        :website "http://www.kanji.zinbun.kyoto-u.ac.jp/~tomo/elisp/APEL/"
        :description "APEL (A Portable Emacs Library) is a library to support to write portable Emacs Lisp programs."
        :type github
-       :module "apel"
        :pkgname "wanderlust/apel"
        :build
         (mapcar
@@ -13,4 +12,3 @@
                  "prefix" "site-lisp" "site-lisp"))
          '("compile-apel" "install-apel"))
         :load-path ("site-lisp/apel" "site-lisp/emu"))
-

recipes/flim.rcp

@@ -3,7 +3,6 @@
        :depends apel
        :type github
        :branch "flim-1_14-wl"
-       :module "flim"
        :pkgname "wanderlust/flim"
        :build
         (mapcar
@@ -18,4 +17,3 @@
                  "prefix" "site-lisp" "site-lisp"))
          '("compile-flim" "install-flim"))
        :load-path ("site-lisp/flim"))
-

recipes/semi.rcp

@@ -3,7 +3,6 @@
        :depends flim
        :type github
        :branch "semi-1_14-wl"
-       :module "semi"
        :pkgname "wanderlust/semi"
        :build
         (mapcar
@@ -19,4 +18,3 @@
          '("compile-semi" "install-semi"))
         :load-path ("site-lisp/semi/")
        )
-

recipes/wanderlust.rcp

@@ -2,7 +2,6 @@
        :description "Wanderlust bootstrap."
        :depends semi
        :type github
-       :module "wanderlust"
        :pkgname "wanderlust/wanderlust"
        :build (mapcar
            (lambda (target-and-dirs)