icons: Remove two unused icons.

web/shared/icons/language.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M0 0h24v24H0z"/><path d="M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-2.29-2.333A17.9 17.9 0 0 1 8.027 13H4.062a8.008 8.008 0 0 0 5.648 6.667zM10.03 13c.151 2.439.848 4.73 1.97 6.752A15.905 15.905 0 0 0 13.97 13h-3.94zm9.908 0h-3.965a17.9 17.9 0 0 1-1.683 6.667A8.008 8.008 0 0 0 19.938 13zM4.062 11h3.965A17.9 17.9 0 0 1 9.71 4.333 8.008 8.008 0 0 0 4.062 11zm5.969 0h3.938A15.905 15.905 0 0 0 12 4.248 15.905 15.905 0 0 0 10.03 11zm4.259-6.667A17.9 17.9 0 0 1 15.973 11h3.965a8.008 8.008 0 0 0-5.648-6.667z"/></svg>

web/shared/icons/source-alt.svg

@@ -1,5 +0,0 @@
-<svg width="16" height="16" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
-<path clip-rule="evenodd" d="M11.5298 4.86308C11.7895 4.60338 12.2105 4.60338 12.4702 4.86308L15.1369 7.52975C15.3966 7.78945 15.3966 8.2105 15.1369 8.4702L12.4702 11.1369C12.2105 11.3966 11.7895 11.3966 11.5298 11.1369C11.2701 10.8772 11.2701 10.4561 11.5298 10.1964L13.7262 7.99998L11.5298 5.80354C11.2701 5.54384 11.2701 5.12278 11.5298 4.86308Z"/>
-<path clip-rule="evenodd" d="M4.47023 4.86308C4.72992 5.12278 4.72992 5.54384 4.47023 5.80354L2.27379 7.99998L4.47023 10.1964C4.72992 10.4561 4.72992 10.8772 4.47023 11.1369C4.21053 11.3966 3.78947 11.3966 3.52977 11.1369L0.863107 8.4702C0.603409 8.2105 0.603409 7.78945 0.863107 7.52975L3.52977 4.86308C3.78947 4.60338 4.21053 4.60338 4.47023 4.86308Z"/>
-<path clip-rule="evenodd" d="M9.86502 2.03191C10.2156 2.14146 10.4109 2.51444 10.3014 2.865L6.96806 13.5317C6.85852 13.8822 6.48553 14.0776 6.13498 13.968C5.78443 13.8585 5.58906 13.4855 5.6986 13.135L9.03194 2.46829C9.14148 2.11774 9.51447 1.92237 9.86502 2.03191Z"/>
-</svg>