Disable download of attachments by adding a --reject pattern

This means we can add "task" to --include-directories and remove the
href="https://bugs.archlinux.org/task/<id>" to "<id>.html" transform
logic as wget is handling it.

snapshotter.sh

@@ -24,14 +24,14 @@ function _download() {
     cd "${dir}"
   fi
 
-  local include_directories="user,themes,ajax,javascript"
-  if [[ ${1} = true ]]; then
-    include_directories+=",task"
+  local reject=""
+  if [[ ${1} != true ]]; then
+    reject=("--reject" "*getfile=*")
   fi
   local user_agent
   user_agent="albs ($(git rev-parse --short HEAD); https://gitlab.archlinux.org/archlinux/archlinux-bugs-snapshotter)"
   wget --recursive \
-       --include-directories="${include_directories}" \
+       --include-directories="task,user,themes,ajax,javascript" \
        --page-requisites \
        --convert-links \
        --adjust-extension \
@@ -41,6 +41,7 @@ function _download() {
        --max-redirect 0 \
        --user-agent="${user_agent}" \
        --no-verbose \
+       "${reject[@]}" \
        --input-file=<(printf "%s\n" "${@:2}") || [[ ${?} = 8 ]] # 8 Server issued an error response.
 }
 

transform.xsl

@@ -7,14 +7,6 @@
     </xsl:copy>
   </xsl:template>
 
-  <!-- Rewrite all href="https://bugs.archlinux.org/task/<id>" to "<id>.html" -->
-  <xsl:template match="a/@href[starts-with(normalize-space(.), 'https://bugs.archlinux.org/task/') and not(contains(., 'getfile'))]">
-    <xsl:attribute name="href">
-      <!--  -->
-      <xsl:value-of select="concat(substring-after(translate(. , '&#xA;', ''), 'https://bugs.archlinux.org/task/'), '.html')"/>
-    </xsl:attribute>
-  </xsl:template>
-
   <!-- Change href for "Attached to Project: $PROJECT" to #  -->
   <xsl:template match="a/@href[contains(., '/index.php?project=')]">
     <xsl:attribute name="href">