Deleted two http maps, replaced by redis multimaps, much better tag system

data/conf/rspamd/local.d/multimap.conf

@@ -0,0 +1,11 @@
+RCPT_MAILCOW_DOMAIN {
+  type = "rcpt";
+  filter = "email:domain"
+  map = "redis://DOMAIN_MAP"
+}
+
+RCPT_WANTS_SUBJECT_TAG {
+  type = "rcpt";
+  filter = "email:addr"
+  map = "redis://RCPT_WANTS_SUBJECT_TAG"
+}