treewide: remove dependencies on mapper.target

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

Change-Id: I747833c262dba45f9626030c76906c067f402418
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/services/xyz.openbmc_project.Software.Psu.Updater.service b/services/xyz.openbmc_project.Software.Psu.Updater.service
index e1f708b..24de16c 100644
--- a/services/xyz.openbmc_project.Software.Psu.Updater.service
+++ b/services/xyz.openbmc_project.Software.Psu.Updater.service
@@ -2,8 +2,6 @@
 Description=OpenBMC PSU Code Manager
 Wants=xyz.openbmc_project.Software.Version.service
 After=xyz.openbmc_project.Software.Version.service
-Wants=obmc-mapper.target
-After=obmc-mapper.target
 
 [Service]
 ExecStart=/usr/bin/phosphor-psu-code-manager