e1d: Remove EXCEPTFD handling

The file decscriptor 'except' handling was only added in the DAHDI
input module as the DAHDI kernel side is actually using those. I
don't think we can even use this in any way over unix domain sockets.

Change-Id: I718629179181a1de3b82e23447549f593046d91f
diff --git a/src/input/e1d.c b/src/input/e1d.c
index 787bf49..bbbf8d5 100644
--- a/src/input/e1d.c
+++ b/src/input/e1d.c
@@ -144,8 +144,6 @@
 
 	switch (e1i_ts->type) {
 	case E1INP_TS_TYPE_SIGN:
-		//if (what & BSC_FD_EXCEPT)
-		//FIXME: what to do ?!?!
 		if (what & BSC_FD_READ)
 			ret = handle_ts_sign_read(bfd);
 		if (what & BSC_FD_WRITE)
@@ -221,7 +219,7 @@
 					"Could not open timeslot %d\n", ts);
 				return -EIO;
 			}
-			bfd->when = BSC_FD_READ | BSC_FD_EXCEPT;
+			bfd->when = BSC_FD_READ;
 
 			if (!e1i_ts->lapd)
 				e1i_ts->lapd = lapd_instance_alloc(1,