Revert "Convert build scripts to CMake (#13427)"

This reverts commit 354df17d16.

patches/zlib/deflate.h.patch

@@ -1,26 +0,0 @@
---- deflate.h
-+++ deflate.h
-@@ -326,23 +326,7 @@ extern const uint8_t ZLIB_INTERNAL _dist_code[];
-     flush = (s->sym_next == s->sym_end); \
-   }
- 
--#ifdef _MSC_VER
--
--/* MSC doesn't have __builtin_expect.  Just ignore likely/unlikely and
--   hope the compiler optimizes for the best.
--*/
--#define likely(x)       (x)
--#define unlikely(x)     (x)
--
--int __inline __builtin_ctzl(unsigned long mask)
--{
--    unsigned long index ;
--
--    return _BitScanForward(&index, mask) == 0 ? 32 : ((int)index) ;
--}
--#else
- #define likely(x)       __builtin_expect((x),1)
- #define unlikely(x)     __builtin_expect((x),0)
--#endif
- 
- #endif /* DEFLATE_H */