Remove deprecated ParseIceServers variant

which has been deprecated since 2022 as shown by
  git grep -n "\[\[deprecated" | while IFS=: read i j k; do git blame -L $j,$j $i -n -f | cat; done

BUG=webrtc:42224819

Change-Id: If7c5cc97aabfb43693ea3b07d45c3aa5ecc7236a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364181
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@meta.com>
Cr-Commit-Position: refs/heads/main@{#43129}
diff --git a/pc/ice_server_parsing.cc b/pc/ice_server_parsing.cc
index dc8122f..bceb1f0 100644
--- a/pc/ice_server_parsing.cc
+++ b/pc/ice_server_parsing.cc
@@ -350,11 +350,4 @@
   return RTCError::OK();
 }
 
-RTCErrorType ParseIceServers(
-    const PeerConnectionInterface::IceServers& servers,
-    cricket::ServerAddresses* stun_servers,
-    std::vector<cricket::RelayServerConfig>* turn_servers) {
-  return ParseIceServersOrError(servers, stun_servers, turn_servers).type();
-}
-
 }  // namespace webrtc
diff --git a/pc/ice_server_parsing.h b/pc/ice_server_parsing.h
index 549964e..6b9feed 100644
--- a/pc/ice_server_parsing.h
+++ b/pc/ice_server_parsing.h
@@ -32,11 +32,6 @@
                        cricket::ServerAddresses* stun_servers,
                        std::vector<cricket::RelayServerConfig>* turn_servers);
 
-[[deprecated("use ParseIceServersOrError")]] RTC_EXPORT RTCErrorType
-ParseIceServers(const PeerConnectionInterface::IceServers& servers,
-                cricket::ServerAddresses* stun_servers,
-                std::vector<cricket::RelayServerConfig>* turn_servers);
-
 }  // namespace webrtc
 
 #endif  // PC_ICE_SERVER_PARSING_H_