Delete duplicate domains

amazon.txt

@@ -2387,29 +2387,19 @@ adserver.amazon.*
 adserver-*.amazon.*
 advertising.amazon.*
 alexametrics.com
-amazon-adsystem.amazon.com
-amazon-adsystem.com
 amazon-adsystems.com
 arcus-*.amazon.com
 aviary.amazon.*
 bugsnag.appstore.a2z.com
-client-log.amazon.com
-data.alexa.com
 dcape-*.amazon.com
 device-messaging-*.amazon.com
 devicemessaging.*.amazon.com
 device-metrics-*.amazon.com
 dp-gw-*.amazon.com
 fls-*.amazon.*
-global.cmcs.service.amazonsilk.com
 kindle-cpu.com
 kinesis.*.amazonaws.com
-mads.amazon.com
 mads-*.amazon.com
 mas-ext-*.amazon.com
-mas-sdk.amazon.com
 msh.amazon.*
-unagi.amazon.com
 unagi-*.amazon.com
-widgets.amazon.com
-ws.amazon.com