treewide: remove dependencies on mapper.target

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

Change-Id: I7edbd283e021bdfb13b13daae7e792ec65a4f26a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/sensor-monitor/service_files/sensor-monitor.service b/sensor-monitor/service_files/sensor-monitor.service
index 8c952ae..1ea436b 100644
--- a/sensor-monitor/service_files/sensor-monitor.service
+++ b/sensor-monitor/service_files/sensor-monitor.service
@@ -2,8 +2,6 @@
 Description=Sensor Monitor
 Wants=xyz.openbmc_project.Logging.service
 After=xyz.openbmc_project.Logging.service
-Wants=obmc-mapper.target
-After=obmc-mapper.target
 
 [Service]
 Restart=always