drop --disable-{core2md,md2core} configure flags

We stopped using these flags in CL:34565, so there's no need to carry
these custom changes relative to upstream anymore.  Punt them.

BUG=chromium:217064
TEST=precq passes (builds breakpad tools)

Change-Id: I99e509aef4ba02984488e3d82acf8c5082425248
Reviewed-on: https://chromium-review.googlesource.com/273702
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
4 files changed