Remove useless "Trace/breakpoint trap" lines using the format that is generated on Goobuntu.
Remove useless "Trace/breakpoint trap" lines using the format
that is generated on Goobuntu.

R=r,rsc
DELTA=2  (1 added, 0 deleted, 1 changed)
OCL=18973
CL=18976
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go