A simple registry hack will make you happy.
lets how:
1. open registry editor by run> regedit
2. navigate to following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
3. check if the DWORD entry NoTrayItemDisplay is already available in the left panel,
if available then change the value of NoTrayItemDisplay to 1
4. if dont have, then create "NoTrayItemDispay" entry without quote and set the value 1
5. now close the registry and restart to take effect.
Note: if you want to show again then just change the value from 1 to 0