Revert accidental hunk from the merge changeset cf844bddfe57 that's causing unittest orange. r=shaver

tools/test-harness/xpcshell-simple/test_all.sh

@@ -110,8 +110,7 @@ done
 
 for t in $testdir/test_*.js
 do
-    echo "NATIVE_TOPSRCDIR=\"$native_topsrcdir\" TOPSRCDIR=\"$topsrcdir\" $xpcshell -j -s $headfiles -f $t $tailfiles 2> $t.log 1>&2"
-    NATIVE_TOPSRCDIR="$native_topsrcdir" TOPSRCDIR="$topsrcdir" $xpcshell -j -s $headfiles -f $t $tailfiles 2> $t.log 1>&2
+    NATIVE_TOPSRCDIR="$native_topsrcdir" TOPSRCDIR="$topsrcdir" $xpcshell -s $headfiles -f $t $tailfiles 2> $t.log 1>&2
     rv="$?"
     if [ ! "$rv" = "0"  -o \
          `grep -c '\*\*\* PASS' $t.log` = 0 ]