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/vpd/openpower-fru-vpd/op-vpd-parser.service b/meta-openpower/recipes-phosphor/vpd/openpower-fru-vpd/op-vpd-parser.service
index 8238691..87ac0da 100644
--- a/meta-openpower/recipes-phosphor/vpd/openpower-fru-vpd/op-vpd-parser.service
+++ b/meta-openpower/recipes-phosphor/vpd/openpower-fru-vpd/op-vpd-parser.service
@@ -8,6 +8,5 @@
 Restart=no
 Type=oneshot
 EnvironmentFile={envfiledir}/obmc/inventory
-ExecStart=/usr/bin/env openpower-read-vpd --vpd $EEPROM --fru $FRUS --object $PATHS
-SyslogIdentifier=openpower-read-vpd
+ExecStart=/usr/bin/openpower-read-vpd --vpd $EEPROM --fru $FRUS --object $PATHS
 RemainAfterExit=yes