finish conversion of translate_c.cpp to use zig_clang.h

See #1964

translate_c.cpp now exclusively uses the clang API via zig_clang.h

shaves off 5 seconds from building zig when translate_c.cpp
(or any h files it uses) change.
a7c9aa7ddbAndrew Kelley committed on 10/2/2019, 11:21:40 PMparentf840861
3 files changedLine totals unavailable