Remove dead code for system VK.

ui/keyboard/resources/images/fullscreen.svg

Index: ui/keyboard/resources/images/fullscreen.svg
diff --git a/ui/keyboard/resources/images/fullscreen.svg b/ui/keyboard/resources/images/fullscreen.svg
deleted file mode 100644
index 1688ebdb2c08ce9a9952e1cd92e4e0c0b4403b14..0000000000000000000000000000000000000000
--- a/ui/keyboard/resources/images/fullscreen.svg
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<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:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   version="1.1"
-   width="43.75"
-   height="26.25"
-   id="svg2"
-   xml:space="preserve"><metadata
-     id="metadata8"><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="defs6" /><g
-     transform="matrix(1.25,0,0,-1.25,0,26.25)"
-     id="g10"><path
-       d="m 21.866,7.056 -8.73,0 0,6.889 8.73,0 0,-6.889 z m -10.031,-1.3 11.33,0 0,9.488 -11.33,0 0,-9.488 z"
-       inkscape:connector-curvature="0"
-       id="path12"
-       style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none" /><g
-       transform="translate(20.8311,10.3906)"
-       id="g14"><path
-         d="M 0,0 -2.344,-2.344 0,-2.344 0,0 z"
-         inkscape:connector-curvature="0"
-         id="path16"
-         style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none" /></g><g
-       transform="translate(14.1631,12.9219)"
-       id="g18"><path
-         d="M 0,0 0,-2.344 2.344,0 0,0 z"
-         inkscape:connector-curvature="0"
-         id="path20"
-         style="fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none" /></g></g></svg>