Fix external links

src/components/Icon/Icon.tsx

@@ -1,5 +1,4 @@
 import * as React from "react";
-import { Link } from "react-router-dom";
 import "./Icon.scss";
 
 export enum IconType {
@@ -63,13 +62,13 @@ class Icon extends React.Component<IconProps, IconState> {
     const elem = nameToIcon(name);
     if (link) {
       return (
-        <Link
-          to={link}
+        <a
+          href={link}
           className="so-me-icon"
           onClick={onClick}
         >
           {elem}
-        </Link>
+        </a>
       );
     } else {
       return (

src/pages/FrontPage/FrontPage.tsx

@@ -144,7 +144,7 @@ class FrontPage extends React.Component<FrontPageProps, FrontPageState> {
         <PageSection backgroundColor={PageSectionColor.Orange}>
           <Ribbon>
             <p>Sössöä vuodesta 1969.</p>
-            <Link to="https://sosso.fi">Lue opiskelijalehden viimeisin numero&nbsp;›</Link>
+            <a href="https://sosso.fi">Lue opiskelijalehden viimeisin numero&nbsp;›</a>
           </Ribbon>
         </PageSection>
         <PageSection backgroundColor={PageSectionColor.White} bottomBorder cardSection>