Move all files installed below /usr/share in the same directory

Also move the grub theme to /usr/share/grub/themes/kali/ as installing
files in /boot/ is problematic on arm where /boot is often a vfat
partition that doesn't support hardlinks as required by dpkg.

Gbp-Dch: Full

share/icons/Flat-Remix-Blue-Light/panel/indicator-sensors-chip.svg

@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" version="1.1">
+ <defs>
+  <style id="current-color-scheme" type="text/css">
+   .ColorScheme-Text { color:#454850; } .ColorScheme-Highlight { color:#367bf0; }
+  </style>
+ </defs>
+ <g style="fill:currentColor" class="ColorScheme-Text" transform="translate(3,-1029.4)">
+  <rect width="8" height="15" x="5" y="1034.4" rx="1" ry="1"/>
+  <path d="m2.25 1035.4c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75zm0 2c-0.1385 0-0.25 0.1115-0.25 0.25v0.5c0 0.1385 0.1115 0.25 0.25 0.25h1.75v-1h-1.75z"/>
+  <path d="m15.75 1035.4c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75zm0 2c0.1385 0 0.25 0.1115 0.25 0.25v0.5c0 0.1385-0.1115 0.25-0.25 0.25h-1.75v-1h1.75z"/>
+ </g>
+</svg>