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/logging/ibm-logging/com.ibm.Logging.service b/meta-ibm/recipes-phosphor/logging/ibm-logging/com.ibm.Logging.service
index 57ebc99..ab6eddb 100644
--- a/meta-ibm/recipes-phosphor/logging/ibm-logging/com.ibm.Logging.service
+++ b/meta-ibm/recipes-phosphor/logging/ibm-logging/com.ibm.Logging.service
@@ -4,8 +4,7 @@
 BindsTo=xyz.openbmc_project.Logging.service
 
 [Service]
-ExecStart=/usr/bin/env ibm-log-manager
-SyslogIdentifier=ibm-log-manager
+ExecStart=/usr/bin/ibm-log-manager
 Restart=always
 Type=dbus
 BusName={BUSNAME}