Buffer policy setting for half is not needed.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@152286 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

@@ -11002,8 +11002,6 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
 				confp->chan.buf_no = numbufs;
 			if (!strcasecmp(policy, "full")) {
 				confp->chan.buf_policy = DAHDI_POLICY_WHEN_FULL;
-			} else if (!strcasecmp(policy, "half")) {
-				confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE /* TODO: change to HALF_FULL */;
 			} else if (!strcasecmp(policy, "immediate")) {
 				confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE;
 			} else {