treewide: remove dependencies on mapper.target

The mapper is dbus activated now, so these explicit dependency
declarations are unnecessary and redundant.

Change-Id: I0b5aa5d1748b0a3796438f8be0fd026cf3aa15ac
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/attn/attn_handler.service.in b/attn/attn_handler.service.in
index e081b19..7b58eab 100644
--- a/attn/attn_handler.service.in
+++ b/attn/attn_handler.service.in
@@ -1,7 +1,5 @@
 [Unit]
 Description=The Attention Handler service
-Wants=obmc-mapper.target
-After=obmc-mapper.target
 After=mapper-wait@-xyz-openbmc_project-logging.service
 After=fsi-scan@0.service
 After=op-cfam-reset.service