imagemagick: Explicitly delete doc directory

Use of `EXCLUDES` is deprecated.

`--disable-docs` also does not build the wanted manual pages.

`DOCDIR` cannot be used, as `/usr/share/doc/ImageMagick-6` is used by
ImageMagick (which is strange, because we should pathe the name to
configure).

imagemagick.be0

@@ -6,8 +6,6 @@ SRCURL[0]="https://github.com/ImageMagick/ImageMagick6/archive/${PKGVERSION/p/-}
 
 # PATCHURL[0]=""
 
-EXCLUDE="^${DATADIR}/doc"
-
 #mee_patch() {
 #    bee_patch
 #}
@@ -25,6 +23,8 @@ EXCLUDE="^${DATADIR}/doc"
 #}
 
 mee_install_post() {
+    start_cmd rm -rf ${D}/${DATADIR}/doc
+
     local tgt=${D}/etc/ImageMagick-6/policy.xml
     cp -p -v ${tgt} ${tgt}.raw
     xmllint --format ${tgt}.raw > ${tgt}