configure: remove checking for HMAC_CTX_cleanup

We don't need it, as we no longer use HMAC_CTX_cleanup() directly.

Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile

@@ -354,9 +354,6 @@ all::
 #
 # Define HAVE_CLOCK_MONOTONIC if your platform has CLOCK_MONOTONIC in librt.
 #
-# Define NO_HMAC_CTX_CLEANUP if your OpenSSL is version 0.9.6b or earlier to
-# cleanup the HMAC context with the older HMAC_cleanup function.
-#
 # Define USE_PARENS_AROUND_GETTEXT_N to "yes" if your compiler happily
 # compiles the following initialization:
 #
@@ -1120,9 +1117,6 @@ ifndef NO_OPENSSL
 	ifdef NEEDS_CRYPTO_WITH_SSL
 		OPENSSL_LIBSSL += -lcrypto
 	endif
-	ifdef NO_HMAC_CTX_CLEANUP
-		BASIC_CFLAGS += -DNO_HMAC_CTX_CLEANUP
-	endif
 else
 	BASIC_CFLAGS += -DNO_OPENSSL
 	BLK_SHA1 = 1

configure.ac

@@ -970,10 +970,6 @@ AC_CHECK_LIB([iconv], [locale_charset],
                      [CHARSET_LIB=-lcharset])])
 GIT_CONF_SUBST([CHARSET_LIB])
 #
-# Define NO_HMAC_CTX_CLEANUP=YesPlease if HMAC_CTX_cleanup is missing.
-AC_CHECK_LIB([crypto], [HMAC_CTX_cleanup],
-	[], [GIT_CONF_SUBST([NO_HMAC_CTX_CLEANUP], [YesPlease])])
-#
 # Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available.
 GIT_CHECK_FUNC(clock_gettime,
 	[HAVE_CLOCK_GETTIME=YesPlease],

git-compat-util.h

@@ -277,9 +277,6 @@ extern char *gitbasename(char *);
 #endif
 #include <openssl/ssl.h>
 #include <openssl/err.h>
-#ifdef NO_HMAC_CTX_CLEANUP
-#define HMAC_CTX_cleanup HMAC_cleanup
-#endif
 #endif
 
 /* On most systems <netdb.h> would have given us this, but