Fix OSX emulator-[arm|mips] debug builds

This patch fixes the "dyld: Symbol not found: _trace_filename" error
by removing the apparently unnecessary android/goldfish/trace.c file
from Makefile.target

Related Issue:
https://code.google.com/p/android/issues/detail?id=72364

Change-Id: I9f64be1226bc21f2e7c5def1452b260461475f25
1 file changed