[FIX] remove useless paper-toast in import

Author: Francois-Xavier Gentilhomme

docs/components/myscript-text-web/examples/v4/import_content.html

@@ -46,7 +46,6 @@
                 <button id="importContent">Import</button>
             </span>
         </nav>
-        <paper-toast class="fit-top"></paper-toast>
         <!-- Please change applicationkey and hmackey below with those send by mail during your registration. You can re-access them by connecting to your dashboard at developer.myscript.com with your myscript account -->
         <myscript-text-web scheme="https"
                            host="newcloud.myscript.com"

examples/v4/import_content.html

@@ -46,7 +46,6 @@
                 <button id="importContent">Import</button>
             </span>
         </nav>
-        <paper-toast class="fit-top"></paper-toast>
         <!-- Please change applicationkey and hmackey below with those send by mail during your registration. You can re-access them by connecting to your dashboard at developer.myscript.com with your myscript account -->
         <myscript-text-web scheme="https"
                            host="newcloud.myscript.com"