Move remote_channel_main logging flag into launch script and add blimp module verbose logging

blimp/engine/app/blimp_content_main_delegate.cc

Index: blimp/engine/app/blimp_content_main_delegate.cc
diff --git a/blimp/engine/app/blimp_content_main_delegate.cc b/blimp/engine/app/blimp_content_main_delegate.cc
index 6e7b445ad4ca90bf93f68ddabc470db80543ed17..5cfa4c8b509ce5ccf3dc3bc527d886a8c8803874 100644
--- a/blimp/engine/app/blimp_content_main_delegate.cc
+++ b/blimp/engine/app/blimp_content_main_delegate.cc
@@ -32,13 +32,6 @@ base::LazyInstance<BlimpEngineCrashReporterClient>
 
 namespace {
 void InitLogging() {
-  // TODO(haibinlu): Remove this before release.
-  // Enables a few verbose log by default.
-  if (!base::CommandLine::ForCurrentProcess()->HasSwitch("vmodule")) {
-    base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-        "vmodule", "remote_channel_main=1");
-  }
-
   logging::LoggingSettings settings;
   base::FilePath log_filename;
   PathService::Get(base::DIR_EXE, &log_filename);