qemu: remove redundant command


git-svn-id: https://svn.apache.org/repos/asf/incubator/tashi/branches/stable@1370648 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/tashi/nodemanager/vmcontrol/qemu.py b/src/tashi/nodemanager/vmcontrol/qemu.py
index d8674e7..a250ffa 100644
--- a/src/tashi/nodemanager/vmcontrol/qemu.py
+++ b/src/tashi/nodemanager/vmcontrol/qemu.py
@@ -410,7 +410,6 @@
 	def getHostInfo(self, service):
 		host = Host()
 		host.name = socket.gethostname()
-		cmd = "head -n 1 /proc/meminfo"
 		self.service = service
 		host.id = self.service.id