Remove what was described by someone as "an EAY hack for compiling

SSLeay with Colin Plumb's MD5 implementation instead of his one".

e_os.h

@@ -450,19 +450,6 @@ extern char *sys_errlist[]; extern int sys_nerr;
 #define IRIX_CC_BUG	/* CDS++ up to V2.0Bsomething suffered from the same bug.*/
 #endif
 
-#ifdef NO_MD2
-#define MD2_Init MD2Init
-#define MD2_Update MD2Update
-#define MD2_Final MD2Final
-#define MD2_DIGEST_LENGTH 16
-#endif
-#ifdef NO_MD5
-#define MD5_Init MD5Init 
-#define MD5_Update MD5Update
-#define MD5_Final MD5Final
-#define MD5_DIGEST_LENGTH 16
-#endif
-
 #ifdef  __cplusplus
 }
 #endif