Revert "Generate localhost candidate when no STUN/TURN and portallocator has the right flag spefied…

webrtc/base/ipaddress.cc

Index: webrtc/base/ipaddress.cc
diff --git a/webrtc/base/ipaddress.cc b/webrtc/base/ipaddress.cc
index 3dd856a64abc817ac8de32d22e04a85ccaa74cab..768a7092a3c797db17c86748cc15b9387cd3a1dd 100644
--- a/webrtc/base/ipaddress.cc
+++ b/webrtc/base/ipaddress.cc
@@ -498,13 +498,4 @@ int IPAddressPrecedence(const IPAddress& ip) {
   return 0;
 }
 
-IPAddress GetLoopbackIP(int family) {
-  if (family == AF_INET) {
-    return rtc::IPAddress(INADDR_LOOPBACK);
-  }
-  if (family == AF_INET6) {
-    return rtc::IPAddress(in6addr_loopback);
-  }
-  return rtc::IPAddress();
-}
-}  // Namespace rtc
+}  // Namespace talk base