don't force 16 threads.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103566 91177308-0d34-0410-b5e6-96231b3b80d8

test/Makefile

@@ -16,9 +16,9 @@ TESTDIRS += $(EXTRA_TESTDIRS)
 
 ifndef TESTARGS
 ifdef VERBOSE
-TESTARGS = -v -j16
+TESTARGS = -v
 else
-TESTARGS = -s -v -j16
+TESTARGS = -s -v
 endif
 endif