Revert "Merge sentry_safe from https://github.com/xMasterX/all-the-plugins"

This reverts commit eb9dbbeb5b234df78f7e8ff35d9217b489251aae, reversing
changes made to 468f13217e645ed24e4d699ef81e0e9aa6bd04a0.

sentry_safe/LICENSE

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+MIT License
+
+Copyright (c) 2022 Etienne Sellan
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

sentry_safe/README.md

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+# flipperzero-sentry-safe-plugin
+
+Flipper zero exploiting vulnerability to open any Sentry Safe and Master Lock electronic safe without any pin code.
+
+[Vulnerability described here](https://github.com/H4ckd4ddy/bypass-sentry-safe)
+
+### Installation
+
+- Download [last release fap file](https://github.com/H4ckd4ddy/flipperzero-sentry-safe-plugin/releases/latest)
+- Copy fap file to the apps folder of your flipper SD card
+
+### Usage
+
+- Start "Sentry Safe" plugin
+- Place wires as described on the plugin screen
+- Press enter
+- Open safe
+
+### Build
+
+- Recursively clone your base firmware (official or not)
+- Clone this repository in `applications_user`
+- Build with `./fbt fap_dist APPSRC=applications_user/flipperzero-sentry-safe-plugin`
+- Retreive builed fap in dist subfolders
+
+(More info about build tool [here](https://github.com/flipperdevices/flipperzero-firmware/blob/dev/documentation/fbt.md))