Delete wrappers for snprintf and vsnprintf

Bug: webrtc:6424
Change-Id: I99373dc86e25caff20111408b104ff5dafa7b711
Reviewed-on: https://webrtc-review.googlesource.com/c/106322
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25210}
diff --git a/rtc_base/httpcommon.cc b/rtc_base/httpcommon.cc
index 43831b7..baf843d 100644
--- a/rtc_base/httpcommon.cc
+++ b/rtc_base/httpcommon.cc
@@ -32,7 +32,6 @@
 #include "rtc_base/messagedigest.h"
 #include "rtc_base/socketaddress.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/stringutils.h"                // for strcpyn, _stricmp
 #include "rtc_base/third_party/base64/base64.h"  // for Base64
 #include "rtc_base/zero_memory.h"                // for ExplicitZeroMemory
 
@@ -377,7 +376,7 @@
       return HAR_IGNORE;
     }
 #else
-    sprintfn(spn, MAX_SPN, "HTTP/%s", server.ToString().c_str());
+    snprintf(spn, MAX_SPN, "HTTP/%s", server.ToString().c_str());
 #endif
 
     SecBuffer out_sec;