remove alt on the img

src/component/Header/MenuActionListItem/DropdownLang.jsx

           aria-haspopup='true'
           aria-expanded='false'
         >
-          <img className='languagedropdown__btnlanguage__imgselected' src={activeLang.src} alt={activeLang.name} />
+          <img className='languagedropdown__btnlanguage__imgselected' src={activeLang.src} />
         </button>
         <div className='languagedropdown__subdropdown dropdown-menu' aria-labelledby='headerDropdownMenuButton'>
           { props.langList.map((l, i) => l.active === false &&
             <div className='subdropdown__link dropdown-item' onClick={() => props.onChangeLang(l.id)} key={i}>
-              <img className='subdropdown__flag' src={l.src} alt={l.name} />
+              <img className='subdropdown__flag' src={l.src} />
             </div>
           )}
         </div>

src/component/Header/MenuActionListItem/MenuProfil.jsx

       <li className='header__menu__rightside__itemprofil'>
         <div className='profilgroup dropdown'>
           <button className='profilgroup__name btn btn-secondary dropdown-toggle' type='button' id='dropdownMenuButton' data-toggle='dropdown' aria-haspopup='true' aria-expanded='false'>
-            <img className='profilgroup__name__imgprofil' src={props.user.avatar} alt='avatar' />
+            <img className='profilgroup__name__imgprofil' src={props.user.avatar} />
             <div className='profilgroup__name__text'>
               {props.user.name}
             </div>