https://github.com/tracim/tracim/issues/768, suppression de l'affichage du bouton calendrier dans la page du tableau de bord

frontend/src/component/Dashboard/MoreInfo.jsx

             <i className='fa fa-calendar' />
           </div>
 
-          <div className='moreinfo__calendar__btn__text genericBtnInfoDashboard__btn__text'>
+          <div className='moreinfo__calendar__btn__text genericBtnInfoDashboard__btn__text d-flex align-self-center'>
             {props.t('Workspace Calendar')}
           </div>
         </div>

frontend/src/component/Dashboard/MoreInfo.styl

     &__information
       width 300px
   &__calendar
+    display none
     margin-bottom 100px
     &__wrapperBtn
       margin-right 290px