22 to 11 speed conversion? I have a bike equipped with a SRAM 22 speed groupset (hydraulic) and was thinking about converting it to a 1x11.  I like the simplicity of the 1x11 system and the potential weight savings from removal of redundant components.  Is this conversion possible and if so, what steps would I need to take assuming I possess all the required tools?
It's as easy as removing the front shifter, shifter cabling, front derailleur, and changing your crankset from a double to a single.
If you have a brifter, you can remove the derailleur cable and figure out some way to keep the brifter from flopping (jb weld, etc) if you don't want to replace it with a brake lever.

The major expense will be getting a single crankset.
(Depending on your crankset spider and desired front gear, you may be able to keep your old crankset as described in comments below.)

Tools you'll need aside from the usual allen wrenches and screw drivers will be a crankset puller and pedal wrench.

Note the weight savings are minimal. You'd save more weight by not having a cheeseburger for lunch.