removed unnecessary import

src/Components/ContactCard.js

@@ -16,7 +16,7 @@ GNU Affero General Public License for more details.
 You should have received a copy of the GNU Affero General Public License
 along with Plataforma Integrada MEC.  If not, see <http://www.gnu.org/licenses/>.*/
 
-import React, { useState, useEffect } from 'react';
+import React, { useState } from 'react';
 import Card from '@material-ui/core/Card';
 import CardContent from '@material-ui/core/CardContent';
 import noAvatar from "../img/default_profile.png";