Remove fs_config_generate()

We replaced creating the binary fs_config files with a python script
(/build/make/tools/fs_config/fs_config_generator.py), so there are no
more users of this function, nor do we plan for there to be.

Test: build
Change-Id: I49ec7e3d22c206bc250cbda6f66a4a59e47030e9
2 files changed