Is there any way that I can remove the Bluetooth service in Ubuntu Mate v15.10? Or at least keep it from booting up during the startup sequence? I simply don’t use it, and I don’t want it draining my battery. I am pretty new to Ubuntu, especially Ubuntu Mate, so any advice would be massively appreciated.
Hello I have done this in the past. Try from the system menu preferences then personal then start up applications a window will pop up called start up applications preferences look for blueman applet and unclick check box on the left. I am not sure about removing it there might be some complications. mine is turned off and I have no problems. I hope this helps. Jerry
You can turn it off in Startup Application as seen on right side of photo and it wont show up on your next restart 
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Thank you all so much! That did the trick. Very wow, much appreciation 
I think if you just remove the applet Bluetooth will still be on, there just won’t be a visible control for it.
The general way to do it would be with the command rfkill, but since Ubuntu MATE ships with TLP you can use that. I have not tested this, but you just need to edit one line of /etc/default/tlp. Open this file in your editor as root:
gksudo pluma /etc/default/tlp
and find the section
# Radio devices to disable on startup: bluetooth, wifi, wwan.
# Separate multiple devices with spaces.
#DEVICES_TO_DISABLE_ON_STARTUP="bluetooth wifi wwan"
and edit the last of those lines to be as follows (including removing the leading #):
DEVICES_TO_DISABLE_ON_STARTUP="bluetooth"
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Why would it ask me to enable Bluetooth every time I start the applet/program then? 
Hmm, that is curious. With the applet removed, I don’t know how to test that Bluetooth is on or off, although there probably is some way via the command line.