Remove sharding support from make

Sharding is not used in make any more, the large java modules
(libcore and framework) have moved to Soong.  Keeping sharding
support complicates java compiling, so remove it.

Bug: 73885582
Test: m checkbuild
Change-Id: I2932f9e96bfc8f2ebf82095b16d6c0b3c51613f0
Merged-In: I2932f9e96bfc8f2ebf82095b16d6c0b3c51613f0
(cherry picked from commit 5ef6e79c)