meta-ibm: Use proper path names in service files

Don't use /usr/bin/env, it's an antipattern.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: If388f5427bb2ca45718d0ca99452bf3f147861dd
diff --git a/meta-ibm/recipes-phosphor/chassis/vrm-control/vrm-control@.service b/meta-ibm/recipes-phosphor/chassis/vrm-control/vrm-control@.service
index 731ce55..6037deb 100644
--- a/meta-ibm/recipes-phosphor/chassis/vrm-control/vrm-control@.service
+++ b/meta-ibm/recipes-phosphor/chassis/vrm-control/vrm-control@.service
@@ -7,8 +7,7 @@
 ConditionPathExists=!/run/openbmc/chassis@%i-on
 
 [Service]
-ExecStart=/usr/bin/env vrm-control.sh vdna=0.9 vdnb=0.9
-SyslogIdentifier=vrm-control.sh
+ExecStart=/usr/bin/vrm-control.sh vdna=0.9 vdnb=0.9
 Type=oneshot
 RemainAfterExit=yes