Remove GeneratedFieldExplicitInputUxComponentSourceBase's fallback field widget handling thanks to #3560005
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3574831. -->
Reported by: [wim leers](https://www.drupal.org/user/99777)
Related to !625
>>>
<h3 id="overview">Overview</h3>
<p>While working on <span class="drupalorg-gitlab-issue-link drupalorg-gitlab-link-wrapper"><a href="https://git.drupalcode.org/project/canvas/-/work_items/3573831" class="drupalorg-gitlab-link">https://git.drupalcode.org/project/canvas/-/work_items/3573831</a></span>, I discovered some leftovers left behind by <span class="drupalorg-gitlab-issue-link drupalorg-gitlab-link-wrapper"><a href="https://git.drupalcode.org/project/canvas/-/work_items/3560005" class="drupalorg-gitlab-link">https://git.drupalcode.org/project/canvas/-/work_items/3560005</a></span>.</p>
<p>Before that issue's MR landed, it was possible that each component instance deviated from what was defined in the <code>Component</code> config entity. Including the widget.</p>
<p>But as of that issue, that is no longer the case.</p>
<h3 id="proposed-resolution">Proposed resolution</h3>
<p>Drop the fallback handling in</p>
<ol>
<li><code>GeneratedFieldExplicitInputUxComponentSourceBase::getClientSideInfo()</code></li>
<li><code>GeneratedFieldExplicitInputUxComponentSourceBase::buildComponentInstanceForm()</code></li>
</ol>
<h3 id="ui-changes">User interface changes</h3>
<p>None.</p>
issue