Drop old and unneeded icon flag for run command

src/anbox/cmds/run.cpp

@@ -81,9 +81,6 @@ anbox::cmds::Run::Run(const BusFactory &bus_factory)
   flag(cli::make_flag(cli::Name{"desktop_file_hint"},
                       cli::Description{"Desktop file hint for QtMir/Unity8"},
                       desktop_file_hint_));
-  flag(cli::make_flag(cli::Name{"icon"},
-                      cli::Description{"Icon of the application to run"},
-                      icon_));
 
   action([this](const cli::Command::Context &) {
     auto trap = core::posix::trap_signals_for_process(

src/anbox/cmds/run.h

@@ -39,7 +39,6 @@ class Run : public cli::CommandWithFlagsAndAction {
  private:
   BusFactory bus_factory_;
   std::string desktop_file_hint_;
-  std::string icon_;
 };
 }  // namespace cmds
 }  // namespace anbox