Remove duplicate tests of KeyEvent::has_pressed

remoting/host/event_executor_linux.cc

Index: remoting/host/event_executor_linux.cc
diff --git a/remoting/host/event_executor_linux.cc b/remoting/host/event_executor_linux.cc
index d6b412ed0c6e35b3f23cc3c1716cc991dddf1f99..31e43b98510ecb95422895bcb6361aff1012cc78 100644
--- a/remoting/host/event_executor_linux.cc
+++ b/remoting/host/event_executor_linux.cc
@@ -325,10 +325,6 @@ void EventExecutorLinux::InjectKeyEvent(const KeyEvent& event) {
     return;
   }
 
-  // Events which don't specify whether the key is pressed are invalid.
-  if (!event.has_pressed())
-    return;
-
   int keycode = kInvalidKeycode;
   if (event.has_usb_keycode()) {
     keycode = UsbKeycodeToNativeKeycode(event.usb_keycode());