Revert "Fix spelling in Arduino 2"

This reverts commit d3daa8daf4d7cecf8c93bf578fcb88e5836a884c.
Revert "Fix spelling in Arduino"

This reverts commit c072d89f715c0b4ae3f1b4a168b4aee91a63d5c2.
Revert "Fixing build problem of Arduino code"

This reverts commit bf8f0a6b193ca037376e16983e124f589394812e.
Revert "cleanup hold indicators"

This reverts commit 12e2b6554cf39b0ec944146837b2b7a7572b033d.
Revert "Improving the disabled state for Depth and heading hold and adding an image to the laser indicator"

This reverts commit c5a7ca89b05bf3c0bda926c39786dd291b076022.
Revert "Fixing heading hold disable"

This reverts commit a7b42fb0b14ac09f12278f9933461608cf70a611.
Revert "Adding laser indicator"

This reverts commit 23fa346778a9a1864554bee59f5c0345da7deb05.
Revert "Imporve apperence of indicators"

This reverts commit d779733b956d4fe981bf42c20e1fc16e5583fa38.
Revert "Implementing UI elements for depth and heading hold"

This reverts commit 12194c8b254204f9061da7dffba6ddf02d881b91.