urldata.h: remove two forward-declared structs not used

Closes #20206

diff --git a/lib/urldata.h b/lib/urldata.h
index aba1693ca7db988e5a007ad1ed3a2886d6d2b8ee..57d1c32f9f6bbb855046ce14927b20b89b6a8e71 100644 (file)
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -224,10 +224,6 @@ typedef CURLcode (Curl_recv)(struct Curl_easy *data,   /* transfer */
   ((x) && ((x)->magic == CURLEASY_MAGIC_NUMBER))
 #endif
 
-/* SSL backend-specific data; declared differently by each SSL backend */
-struct ssl_backend_data;
-struct Curl_ssl_scache_entry;
-
 struct ssl_primary_config {
   char *CApath;          /* certificate directory (does not work on Windows) */
   char *CAfile;          /* certificate to verify peer against */