patches: remove webkit patches

we will do libwebviewchromium, however slow may it be on pico.
this is a lot hard to catch up.
patches: appropriately rename for ordering patch apply
patches: display-caf: this 'might' be breaking video
patches: remove prebuilt relinking of flash_erase

this is likely to cause errors if flash_erase isn't defined.
vendorsetup: userdebug. just. userdebug.