Remove left-over PageCache stuff

Source/core/platform/Logging.cpp

Index: Source/core/platform/Logging.cpp
diff --git a/Source/core/platform/Logging.cpp b/Source/core/platform/Logging.cpp
index 1cb1552a748101ca6255e0232595a8af79f5053c..5ebb90f2a191286779463cf297cbf78936574aca 100644
--- a/Source/core/platform/Logging.cpp
+++ b/Source/core/platform/Logging.cpp
@@ -47,7 +47,6 @@ WTFLogChannel LogSQLDatabase =       { 0x00000800, "WebCoreLogLevel", WTFLogChan
 WTFLogChannel LogSpellingAndGrammar ={ 0x00001000, "WebCoreLogLevel", WTFLogChannelOff };
 WTFLogChannel LogBackForward =       { 0x00002000, "WebCoreLogLevel", WTFLogChannelOff };
 WTFLogChannel LogHistory =           { 0x00004000, "WebCoreLogLevel", WTFLogChannelOff };
-WTFLogChannel LogPageCache =         { 0x00008000, "WebCoreLogLevel", WTFLogChannelOff };
 
 WTFLogChannel LogPlatformLeaks =     { 0x00010000, "WebCoreLogLevel", WTFLogChannelOff };
 WTFLogChannel LogResourceLoading =   { 0x00020000, "WebCoreLogLevel", WTFLogChannelOff };
@@ -107,9 +106,6 @@ WTFLogChannel* getChannelFromName(const String& channelName)
     if (equalIgnoringCase(channelName, String("NotYetImplemented")))
         return &LogNotYetImplemented;
 
-    if (equalIgnoringCase(channelName, String("PageCache")))
-        return &LogPageCache;
-
     if (equalIgnoringCase(channelName, String("PlatformLeaks")))
         return &LogPlatformLeaks;