参考ページ
Fire HD 8 and HD 10 General
NO ROOT REQUIRED - Uninstall System Apps
https://forum.xda-developers.com/showpost.php?p=73079884&;postcount=33

下に記載したこれらってなにか分かりますか？
怖くて削除できないよ

#  amazon.jackson19
pm uninstall --user 0 amazon.jackson19

#  com.amazon.mw (Firefly)
pm uninstall --user 0 com.amazon.mw
#  com.amazon.mw.sdk (Firefly SDK)
pm uninstall --user 0 com.amazon.mw.sdk

#  Amazon Metrics Service Application
pm uninstall --user 0 com.amazon.client.metrics

#  com.amazon.client.metrics.api (Amazon Metrics Service Application API)
pm uninstall --user 0 com.amazon.client.metrics.api

#  CrashManager
pm uninstall --user 0 com.amazon.device.crashmanager

#  Log Manager
pm uninstall --user 0 com.amazon.device.logmanager

#  DeviceSoftwareOTA
pm uninstall --user 0 com.amazon.device.software.ota

#  Amazon Whispersync DX
pm uninstall --user 0 com.amazon.device.sync
#  Amazon Whispersync SDK
pm uninstall --user 0 com.amazon.device.sync.sdk.internal

#  com.amazon.dp.logger
pm uninstall --user 0 com.amazon.dp.logger

#  Precog
pm uninstall --user 0 com.amazon.precog

#  Amazon Recess
pm uninstall --user 0 com.amazon.recess

これで削除していいもの教えてくださいな