Remove sdk ports builder from naclports master

masters/master.client.nacl.ports/slaves.cfg

Index: masters/master.client.nacl.ports/slaves.cfg
diff --git a/masters/master.client.nacl.ports/slaves.cfg b/masters/master.client.nacl.ports/slaves.cfg
index caec382eead4886bc1158db724aa45d6735e421a..701f261f794a4f84391d01072cc580ba934ff13e 100644
--- a/masters/master.client.nacl.ports/slaves.cfg
+++ b/masters/master.client.nacl.ports/slaves.cfg
@@ -50,9 +50,6 @@ for platform in platforms:
         for shard in range(shards[platform][libc]):
           builders.append('%s%s-%s-%d' % (when, platform, libc, shard))
           categories.append('%02d%s%s' % (order, when, libc))
-    if platform == 'linux':
-      builders.append('linux-sdk')
-      categories.append('99sdk')
     slaves.append({
       'master': 'NativeClientPorts',
       'builder': builders,