Remove unused Lite Page fallback code

components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
index f0a2d3d0831edd8b469de68a7fecd60dd902afb3..cd88474adfb0c9185388eacd3cd53f5c673518a4 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_params.cc
@@ -41,8 +41,6 @@ const char kAndroidOneIdentifier[] = "sprout";
 const char kQuicFieldTrial[] = "DataReductionProxyUseQuic";
 
 const char kLoFiFieldTrial[] = "DataCompressionProxyLoFi";
-const char kLitePageFallbackFieldTrial[] =
-    "DataCompressionProxyLitePageFallback";
 const char kLoFiFlagFieldTrial[] = "DataCompressionProxyLoFiFlag";
 
 const char kBlackListTransitionFieldTrial[] =
@@ -112,10 +110,6 @@ const char* GetLoFiFieldTrialName() {
   return kLoFiFieldTrial;
 }
 
-const char* GetLitePageFallbackFieldTrialName() {
-  return kLitePageFallbackFieldTrial;
-}
-
 const char* GetLoFiFlagFieldTrialName() {
   return kLoFiFlagFieldTrial;
 }
@@ -137,11 +131,6 @@ bool IsIncludedInLitePageFieldTrial() {
                           kLitePage, base::CompareCase::SENSITIVE);
 }
 
-bool IsLitePageFallbackEnabled() {
-  return IsIncludedInFieldTrial(GetLitePageFallbackFieldTrialName()) ||
-         (IsLoFiOnViaFlags() && AreLitePagesEnabledViaFlags());
-}
-
 bool IsIncludedInServerExperimentsFieldTrial() {
   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
              data_reduction_proxy::switches::