Remove LOGGING=1 define.

The LOGGING define is only used in a single location in our whole codebase:
$ git gs "f LOGGING"
webrtc/base/physicalsocketserver.cc:1584:#if LOGGING
$ git gs "defined(LOGGING"
(no hits)

The above commands also give no hits in Chromium's code base.

BUG=webrtc:6412
NOTRY=True

Review-Url: https://codereview.webrtc.org/2442743002
Cr-Commit-Position: refs/heads/master@{#14799}
diff --git a/webrtc/base/BUILD.gn b/webrtc/base/BUILD.gn
index 908c7b7..6c5a4bb 100644
--- a/webrtc/base/BUILD.gn
+++ b/webrtc/base/BUILD.gn
@@ -26,10 +26,7 @@
 }
 
 config("rtc_base_config") {
-  defines = [
-    "FEATURE_ENABLE_SSL",
-    "LOGGING=1",
-  ]
+  defines = [ "FEATURE_ENABLE_SSL" ]
 }
 
 config("rtc_base_chromium_config") {
@@ -350,6 +347,7 @@
   cflags = []
   cflags_cc = []
   libs = []
+  defines = []
   deps = [
     "..:webrtc_common",
   ]
@@ -368,7 +366,6 @@
   ]
 
   all_dependent_configs = [ ":rtc_base_all_dependent_config" ]
-  defines = [ "LOGGING=1" ]
 
   sources = [
     "applefilesystem.mm",
diff --git a/webrtc/base/base.gyp b/webrtc/base/base.gyp
index fc3ae48..080d203 100644
--- a/webrtc/base/base.gyp
+++ b/webrtc/base/base.gyp
@@ -232,7 +232,6 @@
         'FEATURE_ENABLE_SSL',
         'SSL_USE_OPENSSL',
         'HAVE_OPENSSL_SSL_H',
-        'LOGGING=1',
       ],
       'sources': [
         'applefilesystem.mm',
diff --git a/webrtc/base/physicalsocketserver.cc b/webrtc/base/physicalsocketserver.cc
index f0dc69f..2a48274 100644
--- a/webrtc/base/physicalsocketserver.cc
+++ b/webrtc/base/physicalsocketserver.cc
@@ -1580,8 +1580,6 @@
           WSANETWORKEVENTS wsaEvents;
           int err = WSAEnumNetworkEvents(s, events[0], &wsaEvents);
           if (err == 0) {
-
-#if LOGGING
             {
               if ((wsaEvents.lNetworkEvents & FD_READ) &&
                   wsaEvents.iErrorCode[FD_READ_BIT] != 0) {
@@ -1609,7 +1607,6 @@
                              << wsaEvents.iErrorCode[FD_CLOSE_BIT];
               }
             }
-#endif
             uint32_t ff = 0;
             int errcode = 0;
             if (wsaEvents.lNetworkEvents & FD_READ)