meta-openpower: Use proper paths in service files

Using /usr/bin/env is an antipattern.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I6b4f647a10fd8c261e2b42cfdae030749ded7c29
diff --git a/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-disable@.service b/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-disable@.service
index 8a6f2bb..2988a4d 100644
--- a/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-disable@.service
+++ b/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-disable@.service
@@ -6,8 +6,7 @@
 Conflicts=op-occ-enable@%i.service
 
 [Service]
-ExecStart=/usr/bin/env occ-active.sh disable
-SyslogIdentifier=occ-active.sh
+ExecStart=/usr/bin/occ-active.sh disable
 Type=oneshot
 
 [Install]