clean up /platform/linux/ folder

client/client.pro

@@ -192,13 +192,6 @@ macx {
 
 linux:!android {
     DEFINES += MVPN_LINUX
-
-HEADERS  += \
-   platforms/linux/linuxsystemtraynotificationhandler.h \
-
-SOURCES += \
-   platforms/linux/linuxsystemtraynotificationhandler.cpp \
-
     LIBS += /usr/lib/x86_64-linux-gnu/libcrypto.a
     LIBS += /usr/lib/x86_64-linux-gnu/libssl.a
 

client/ui/notificationhandler.cpp

@@ -11,10 +11,6 @@
 #  include "platforms/android/android_notificationhandler.h"
 #else
 
-#  if defined(Q_OS_LINUX)
-#    //include "platforms/linux/linuxsystemtraynotificationhandler.h"
-#  endif
-
 #  include "systemtray_notificationhandler.h"
 #endif