UI: Removal of Cruft from SVG Icons Source Files

Each icon had an extra group with tiny features that I must have
duplicated on my prototype file when extracting these from the source
sprite sheet.

release/datafiles/icons_svg/ipo_expo.svg

@@ -1 +1 @@
-<svg height="1400" viewBox="0 0 1600 1400" width="1600" xmlns="http://www.w3.org/2000/svg" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"><sodipodi:namedview pagecolor="#303030" showgrid="true"><inkscape:grid id="grid5" units="px" spacingx="100" spacingy="100" color="#4772b3" opacity="0.2" visible="true" /></sodipodi:namedview><g fill="#fff"><g enable-background="new" transform="translate(-233 -365)"><path d="m1028 1556c-3.2833 0-6 2.4414-6 5.5 0 1.7056.9046 3.146 2.1523 4.3594l.9942.9941a.50004997.50004997 0 0 0 .3027.1485.50004997.50004997 0 0 0 .051.998h5a.50004997.50004997 0 0 0 .045-.998.50004997.50004997 0 0 0 .3086-.1485l.9981-.998c1.2122-1.1985 2.1465-2.6518 2.1465-4.3535 0-3.0586-2.7167-5.5-6-5.5zm0 1c2.7919 0 5 2.0358 5 4.5 0 1.3342-.7428 2.5488-1.8516 3.6445l-1 1a.50004997.50004997 0 0 0 .2793.8535h-4.8594a.50004997.50004997 0 0 0 .2871-.8535l-1-1a.50004997.50004997 0 0 0 -.01-.01c-1.1397-1.1082-1.8477-2.2864-1.8477-3.6406 0-2.4642 2.2081-4.5 5-4.5zm-2.5 12a.50004997.50004997 0 1 0 0 1h1.5v.5a.50004997.50004997 0 0 0 .5.5h1a.50004997.50004997 0 0 0 .5-.5v-.5h1.5a.50004997.50004997 0 1 0 0-1z"/><path d="m1025.4902 1561.0059a.50005.50005 0 0 0 -.3437.8476l.8535.8535v1.543a.50005.50005 0 1 0 1 0v-1.25h2v1.25a.50005.50005 0 1 0 1 0v-1.543l.8535-.8535a.50005.50005 0 0 0 -.707-.707l-.8535.8535h-2.586l-.8535-.8535a.50005.50005 0 0 0 -.3633-.1406z" opacity=".6"/></g><path d="m291.5 201a.50005.50005 0 0 0 -.5.5c0 2.47889-.15954 4.38104-.52734 5.8125-.36781 1.43146-.92559 2.38009-1.74024 3.05273-1.6293 1.3453-4.51671 1.63477-9.23242 1.63477a.50005.50005 0 1 0 0 1c4.75093 0 7.86511-.21053 9.86914-1.86523 1.00202-.82736 1.66924-2.00373 2.07227-3.57227.36978-1.43916.48747-3.33151.51171-5.5625h.54688a.50005.50005 0 1 0 0-1z" transform="matrix(100 0 0 100 -27800 -20000)"/></g></svg>
+<svg height="1400" viewBox="0 0 1600 1400" width="1600" xmlns="http://www.w3.org/2000/svg" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"><sodipodi:namedview pagecolor="#303030" showgrid="true"><inkscape:grid id="grid5" units="px" spacingx="100" spacingy="100" color="#4772b3" opacity="0.2" visible="true" /></sodipodi:namedview><g fill="#fff"><path d="m291.5 201a.50005.50005 0 0 0 -.5.5c0 2.47889-.15954 4.38104-.52734 5.8125-.36781 1.43146-.92559 2.38009-1.74024 3.05273-1.6293 1.3453-4.51671 1.63477-9.23242 1.63477a.50005.50005 0 1 0 0 1c4.75093 0 7.86511-.21053 9.86914-1.86523 1.00202-.82736 1.66924-2.00373 2.07227-3.57227.36978-1.43916.48747-3.33151.51171-5.5625h.54688a.50005.50005 0 1 0 0-1z" transform="matrix(100 0 0 100 -27800 -20000)"/></g></svg>