Revert of Integrate SIMD optimisations for zlib

third_party/zlib/deflate.h

Index: third_party/zlib/deflate.h
diff --git a/third_party/zlib/deflate.h b/third_party/zlib/deflate.h
index f5c7a8ba5b6059b494a660e9ab0622cf911094b5..2fe6fd6670f5f6742655c736d08fd2c89b58dc6c 100644
--- a/third_party/zlib/deflate.h
+++ b/third_party/zlib/deflate.h
@@ -106,8 +106,6 @@
     uInt   gzindex;      /* where in extra, name, or comment */
     Byte  method;        /* STORED (for zip only) or DEFLATED */
     int   last_flush;    /* value of flush param for previous deflate call */
-
-    unsigned zalign(16) crc0[4 * 5];
 
                 /* used by deflate.c: */
 
@@ -346,15 +344,4 @@
               flush = _tr_tally(s, distance, length)
 #endif
 
-/* Functions that are SIMD optimised on x86 */
-void ZLIB_INTERNAL crc_fold_init(deflate_state* const s);
-void ZLIB_INTERNAL crc_fold_copy(deflate_state* const s,
-                                 unsigned char* dst,
-                                 const unsigned char* src,
-                                 long len);
-unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state* const s);
-
-Pos ZLIB_INTERNAL insert_string_sse(deflate_state* const s, const Pos str);
-void ZLIB_INTERNAL fill_window_sse(deflate_state* s);
-
 #endif /* DEFLATE_H */