fixup! http: add support for disabling SSL revocation checks in cURL

Revert this in preparation for applying the latest iteration of the
patch.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Documentation/config.txt

@@ -2241,14 +2241,6 @@ http.sslBackend::
 	This option is ignored if cURL lacks support for choosing the SSL
 	backend at runtime.
 
-http.schannelCheckRevoke::
-	Used to enforce or disable certificate revocation checks in cURL
-	when http.sslBackend is set to "schannel". Defaults to `true` if
-	unset. Only necessary to disable this if Git consistently errors
-	and the message is about checking the revocation status of a
-	certificate. This option is ignored if cURL lacks support for
-	setting the relevant SSL option at runtime.
-
 http.pinnedpubkey::
 	Public key of the https service. It may either be the filename of
 	a PEM or DER encoded public key file or a string starting with

http.c

@@ -157,8 +157,6 @@ static char *cached_accept_language;
 
 static char *http_ssl_backend;
 
-static int http_schannel_check_revoke = 1;
-
 size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *buffer_)
 {
 	size_t size = eltsize * nmemb;
@@ -312,11 +310,6 @@ static int http_options(const char *var, const char *value, void *cb)
 		return 0;
 	}
 
-	if (!strcmp("http.schannelcheckrevoke", var)) {
-		http_schannel_check_revoke = git_config_bool(var, value);
-		return 0;
-	}
-
 	if (!strcmp("http.minsessions", var)) {
 		min_curl_sessions = git_config_int(var, value);
 #ifndef USE_CURL_MULTI
@@ -818,16 +811,6 @@ static CURL *get_curl_handle(void)
 	}
 #endif
 
-	if (http_ssl_backend && !strcmp("schannel", http_ssl_backend) &&
-	    !http_schannel_check_revoke) {
-#if LIBCURL_VERSION_NUM >= 0x072c00
-		curl_easy_setopt(result, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NO_REVOKE);
-#else
-		warning("CURLSSLOPT_NO_REVOKE not applied to curl SSL options because\n"
-			"your curl version is too old (>= 7.44.0)");
-#endif
-	}
-
 	if (http_proactive_auth)
 		init_curl_http_auth(result);