Remove duplicate calls in SetRuntimeFeaturesFromCommandLine

BUG=1142609

Change-Id: I24efcd9c895068c45817fe115d03e8beea526ac7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2500367
Commit-Queue: Kentaro Hara <haraken@chromium.org>
Auto-Submit: Eric Lawrence [MSFT] <ericlaw@microsoft.com>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821244}

content/child/runtime_features.cc

@@ -436,15 +436,9 @@ void SetRuntimeFeaturesFromCommandLine(const base::CommandLine& command_line) {
       {wrf::EnablePreciseMemoryInfo, switches::kEnablePreciseMemoryInfo, true},
       {wrf::EnableNetInfoDownlinkMax,
        switches::kEnableNetworkInformationDownlinkMax, true},
-      {wrf::EnablePermissionsAPI, switches::kDisablePermissionsAPI, false},
       {wrf::EnableWebGPU, switches::kEnableUnsafeWebGPU, true},
-      {wrf::EnablePresentationAPI, switches::kDisablePresentationAPI, false},
       {wrf::EnableTextFragmentAnchor, switches::kDisableScrollToTextFragment,
        false},
-      {wrf::EnableRemotePlaybackAPI, switches::kDisableRemotePlaybackAPI,
-       false},
-      {wrf::EnableTimerThrottlingForBackgroundTabs,
-       switches::kDisableBackgroundTimerThrottling, false},
       {wrf::EnableAccessibilityObjectModel,
        switches::kEnableAccessibilityObjectModel, true},
       {wrf::EnableAllowSyncXHRInPageDismissal,