docs: bugs: Remove raw HTML anchor 'quality'

Modify the gitlab templates linking to it and remove the raw HTML.

Note that also the default template needs to be changed directly in
gitlab.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

.gitlab/issue_templates/bug.md

@@ -1,4 +1,4 @@
-<!-- See https://libvirt.org/bugs.html#quality for guidance -->
+<!-- See https://libvirt.org/bugs.html#how-to-file-high-quality-bug-reports -->
 
 ## Software environment
  - Operating system:

docs/bugs.rst

@@ -1,6 +1,3 @@
-.. role:: anchor(raw)
-   :format: html
-
 =============
 Bug reporting
 =============
@@ -79,8 +76,6 @@ Linux Distribution specific bug reports
    like to have your procedure for filing bugs mentioned here, please mail the
    libvirt development list.
 
-:anchor:`<a id="quality"/>`
-
 How to file high quality bug reports
 ------------------------------------