Revert "Corrected the Settings service name"

This reverts commit d89bf5429f3687e483f230b8f5e1858abc37ad8c.

Reason for revert: Was right the in the first place
https://github.com/openbmc/meta-phosphor/blob/master/recipes-phosphor/settings/phosphor-settings-manager/xyz.openbmc_project.Settings.service

Change-Id: I1d1c8c099c3f56976a7b3bb3d92f989c9915d595
diff --git a/service_files/xyz.openbmc_project.exitairsensor.service b/service_files/xyz.openbmc_project.exitairsensor.service
index ac7cac2..a799c5b 100644
--- a/service_files/xyz.openbmc_project.exitairsensor.service
+++ b/service_files/xyz.openbmc_project.exitairsensor.service
@@ -1,8 +1,8 @@
 [Unit]
 Description=Exit Air Temp Sensor
 StopWhenUnneeded=false
-Requires=xyz.openbmc_project.settings.service
-After=xyz.openbmc_project.settings.service
+Requires=xyz.openbmc_project.Settings.service
+After=xyz.openbmc_project.Settings.service
 Requires=xyz.openbmc_project.EntityManager.service
 After=xyz.openbmc_project.EntityManager.service