minor #42028 [ErrorHandle] Remove a link from the exception page (javiereguiluz)

This PR was squashed before being merged into the 4.4 branch.

Discussion
----------

[ErrorHandle] Remove a link from the exception page

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

This link is causing lots of confusion to some people, who think that we provide free support for open source Symfony projects. That's why we've decided to remove this link. Thanks!

Commits
-------

387254ff5a [ErrorHandle] Remove a link from the exception page

src/Symfony/Bundle/TwigBundle/Resources/views/images/icon-support.svg

@@ -1 +0,0 @@
-<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg"><path fill="#FFF" d="M896 0q182 0 348 71t286 191 191 286 71 348-71 348-191 286-286 191-348 71-348-71-286-191-191-286T0 896t71-348 191-286T548 71 896 0zm0 128q-190 0-361 90l194 194q82-28 167-28t167 28l194-194q-171-90-361-90zM218 1257l194-194q-28-82-28-167t28-167L218 535q-90 171-90 361t90 361zm678 407q190 0 361-90l-194-194q-82 28-167 28t-167-28l-194 194q171 90 361 90zm0-384q159 0 271.5-112.5T1280 896t-112.5-271.5T896 512 624.5 624.5 512 896t112.5 271.5T896 1280zm484-217l194 194q90-171 90-361t-90-361l-194 194q28 82 28 167t-28 167z"/></svg>

src/Symfony/Bundle/TwigBundle/Resources/views/layout.html.twig

@@ -22,13 +22,6 @@
                         <span class="hidden-xs-down">Symfony</span> Docs
                     </a>
                 </div>
-
-                <div class="help-link">
-                    <a href="https://symfony.com/support">
-                        <span class="icon">{{ include('@Twig/images/icon-support.svg') }}</span>
-                        <span class="hidden-xs-down">Symfony</span> Support
-                    </a>
-                </div>
             </div>
         </header>
 

src/Symfony/Component/ErrorHandler/Resources/views/exception_full.html.php

@@ -22,13 +22,6 @@
                             <span class="hidden-xs-down">Symfony</span> Docs
                         </a>
                     </div>
-
-                    <div class="help-link">
-                        <a href="https://symfony.com/support">
-                            <span class="icon"><?= $this->include('assets/images/icon-support.svg'); ?></span>
-                            <span class="hidden-xs-down">Symfony</span> Support
-                        </a>
-                    </div>
                 </div>
             </header>
         <?php } ?>