Reduced markup for books icon

resources/assets/icons/books.svg

@@ -1,71 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   viewBox="0 0 24 24"
-   version="1.1"
-   id="svg6"
-   sodipodi:docname="books.svg"
-   inkscape:version="0.92.3 (2405546, 2018-03-11)">
-  <metadata
-     id="metadata12">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <defs
-     id="defs10" />
-  <sodipodi:namedview
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1"
-     objecttolerance="10"
-     gridtolerance="10"
-     guidetolerance="10"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:window-width="2560"
-     inkscape:window-height="1413"
-     id="namedview8"
-     showgrid="false"
-     inkscape:zoom="19.666667"
-     inkscape:cx="13.076733"
-     inkscape:cy="8.7801453"
-     inkscape:window-x="0"
-     inkscape:window-y="27"
-     inkscape:window-maximized="1"
-     inkscape:current-layer="svg6" />
-  <path
-     d="M0 0h24v24H0z"
-     fill="none"
-     id="path2" />
-  <path
-     d="M 19.252119,1.707627 H 8.6631356 c -0.9706568,0 -1.7648305,0.7941737 -1.7648305,1.7648305 V 17.591101 c 0,0.970657 0.7941737,1.764831 1.7648305,1.764831 H 19.252119 c 0.970656,0 1.76483,-0.794174 1.76483,-1.764831 V 3.4724575 c 0,-0.9706568 -0.794174,-1.7648305 -1.76483,-1.7648305 z M 8.6631356,3.4724575 H 13.075212 V 10.531779 L 10.869173,9.2081571 8.6631356,10.531779 Z"
-     id="path4"
-     inkscape:connector-curvature="0"
-     style="stroke-width:0.88241524" />
-  <g
-     id="g836"
-     transform="translate(30.610169,3.2033898)">
-    <path
-       id="path822"
-       d="M 0,0 H 24 V 24 H 0 Z"
-       inkscape:connector-curvature="0"
-       style="fill:none" />
-    <path
-       id="path824"
-       d="M -27.644068,3.4067797 V 17.40678 c 0,1.1 0.9,2 2,2 h 14 v -2 h -14 V 3.4067797 Z"
-       inkscape:connector-curvature="0"
-       sodipodi:nodetypes="cssccccc" />
-  </g>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M19.252 1.708H8.663a1.77 1.77 0 0 0-1.765 1.764v14.12c0 .97.794 1.764 1.765 1.764h10.59a1.77 1.77 0 0 0 1.764-1.765V3.472a1.77 1.77 0 0 0-1.765-1.764zM8.663 3.472h4.412v7.06L10.87 9.208l-2.206 1.324z"/><path d="M30.61 3.203h24v24h-24z" fill="none"/><path d="M2.966 6.61v14c0 1.1.9 2 2 2h14v-2h-14v-14z"/></svg>