[BUGFIX] Let Install Tool use core's bootstrap

The Install Tool ships bootstrap on its own, which doesn't make much sense
right now, since other components get used from EXT:core as well.

For now, the separated bootstrap gets removed and the one of EXT:core is
used instead.

Resolves: #88219
Related: #88213
Releases: master, 9.5, 8.7
Change-Id: I53425f56a44fa9782d7f3776175ac08bc746e5ab
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/60619
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/install/Resources/Private/Partials/Action/Common/Headers.html

@@ -4,6 +4,6 @@
 <link rel="icon" type="image/vnd.microsoft.icon" href="{f:uri.resource(path: 'Icons/favicon.ico')}?{time}" />
 <script type="text/javascript" src="{f:uri.resource(extensionName: 'Core', path: 'JavaScript/Contrib/jquery/jquery-3.2.1.min.js')}?{time}"></script>
 <script type="text/javascript" src="{f:uri.resource(extensionName: 'Backend', path: 'JavaScript/jquery.clearable.js')}?{time}"></script>
-<script type="text/javascript" src="{f:uri.resource(path: 'JavaScript/bootstrap.min.js')}?{time}"></script>
+<script type="text/javascript" src="{f:uri.resource(extensionName: 'Core', path: 'JavaScript/Contrib/bootstrap/bootstrap.js')}?{time}"></script>
 <script type="text/javascript" src="{f:uri.resource(path: 'JavaScript/chosen.jquery.min.js')}?{time}"></script>
 <script type="text/javascript" src="{f:uri.resource(path: 'JavaScript/Install.js')}?{time}"></script>