http: drop http_error function

This function is a single-liner and is only called from one
place. Just inline it, which makes the code more obvious.
Signed-off-by: NJeff King <peff@peff.net>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

http-push.c

@@ -1551,7 +1551,7 @@ static int remote_exists(const char *path)
 		ret = 0;
 		break;
 	case HTTP_ERROR:
-		http_error(url);
+		error("unable to access '%s': %s", url, curl_errorstr);
 	default:
 		ret = -1;
 	}

http.c

@@ -941,11 +941,6 @@ static int http_get_file(const char *url, const char *filename, int options)
 	return ret;
 }
 
-void http_error(const char *url)
-{
-	error("unable to access '%s': %s", url, curl_errorstr);
-}
-
 int http_fetch_ref(const char *base, struct ref *ref)
 {
 	char *url;

http.h

@@ -135,11 +135,6 @@ extern char *get_remote_object_url(const char *url, const char *hex,
  */
 int http_get_strbuf(const char *url, struct strbuf *content_type, struct strbuf *result, int options);
 
-/*
- * Prints an error message using error() containing url and curl_errorstr.
- */
-void http_error(const char *url);
-
 extern int http_fetch_ref(const char *base, struct ref *ref);
 
 /* Helpers for fetching packs */