Removing deep link to bug page in the manual, since we don't have stable references yet.

debian/live-build.bug-presubj

@@ -1,7 +1,7 @@
 Before submitting a bug report against live-build, please make sure
 that you have read your guidlines for Debian Live bug reports:
 
-  http://live.debian.net/manual/html/bugs.html
+  http://live.debian.net/manual/
 
 By providing the required information as outlined in the guidlines makes
 sure that we can optimally reproduce and fix bugs, not doing so wastes a