Remove a few stale lines

* binary-distribution makes no use of cache_dir now
* generate-texinfo hasn't needed asdf-object-cache since git rev 2e266c9674
* 'test' recipes are never used

binary-distribution.sh

@@ -25,7 +25,6 @@ tar -cf $b-binary.tar \
     $b/contrib/asdf-module.mk \
     `for contrib in $(cd $b/contrib && echo *); do
          src_dir=$b/contrib/$contrib
-         cache_dir=$b/obj/asdf-cache/$contrib
          if test -d $src_dir && test -f $b/obj/sbcl-home/contrib/$contrib.fasl; then
              echo $src_dir/Makefile
          fi

contrib/asdf/Makefile

@@ -19,8 +19,6 @@ install::
 
 build:: $(FASL)
 	true
-test:: $(FASL)
-	true
 
 UPSTREAM=../../obj/asdf-upstream
 up::

doc/manual/generate-texinfo.lisp

@@ -9,8 +9,6 @@
 
 (defvar *contrib-directory* #P"../../contrib/")
 
-(defvar *asdf-object-cache-directory* #P"../../obj/asdf-cache/")
-
 (defvar *documented-packages*
   '("COMMON-LISP" "SB-ALIEN" "SB-DEBUG" "SB-EXT" "SB-GRAY" "SB-MOP"
     "SB-PCL" "SB-SYS" "SB-SEQUENCE" "SB-UNICODE" "SB-PROFILE"