Two finger click on touchpad causes context menu to open which is annoying

1. Create a text file containing following lines:
(for me ~/.myscript)

   synclient TapButton2=1 
   synclient TapButton3=1

2. Use following command to make the newly created script file executable
chmod 755  ~/.myscript

3. Issue following command to launch gnome-session-properties:
gnome-session-properties

4. Click the "Add" button and provide full path of the command/script:
/home/YouUserName/.myscript

Next time when you login clicking with two or three fingers will be regarded as simple left click.