toolchain-utils: remove dead parrot

chromeos2-row3-rack2-host10.cros is dead.
http://b/19147456 says "unable to recover".
Do we need a new parrot machine?

BUG=None
TEST=None

Change-Id: Iabd3116dc558632c53ba3cc7d577de32b892d0f5
Reviewed-on: https://chrome-internal-review.googlesource.com/198821
Reviewed-by: Han Shen <shenhan@google.com>
Tested-by: Rahul Chaudhry <rahulchaudhry@google.com>
Commit-Queue: Rahul Chaudhry <rahulchaudhry@google.com>
diff --git a/crosperf/default_remotes b/crosperf/default_remotes
index 5967041..b736916 100644
--- a/crosperf/default_remotes
+++ b/crosperf/default_remotes
@@ -1,7 +1,7 @@
 x86-alex : chromeos2-row1-rack4-host7.cros chromeos2-row1-rack4-host8.cros chromeos2-row1-rack4-host9.cros
 lumpy    : chromeos2-row2-rack4-host10.cros chromeos2-row2-rack4-host11.cros chromeos2-row2-rack4-host12.cros
 stumpy   : chromeos2-row3-rack7-host1.cros chromeos2-row3-rack7-host2.cros chromeos2-row3-rack7-host3.cros
-parrot   : chromeos2-row3-rack2-host10.cros chromeos2-row3-rack2-host11.cros chromeos2-row3-rack2-host12.cros
+parrot   : chromeos2-row3-rack2-host11.cros chromeos2-row3-rack2-host12.cros
 daisy    : chromeos2-row5-rack5-host10.cros chromeos2-row5-rack4-host6.cros chromeos2-row5-rack5-host12.cros
 peach_pit : chromeos2-row4-rack9-host8.cros chromeos2-row4-rack9-host9.cros chromeos2-row4-rack9-host10.cros
 peppy    : chromeos2-row4-rack9-host11.cros chromeos2-row4-rack9-host12.cros chromeos2-row4-rack8-host12.cros