We can do removing the PDF password only by using Google Chrome browser.
• Run/open Google Chrome browser
• Open the PDF Protected file that you want to remove its password, (press Ctrl+O for open file menu).
• Enter the password for opening the PDF document
• After the PDf document opened, now is the trick to remove the password :
• Choose Print , you can do by go to the Menu then click Print, or by press combination key Ctrl+P.
In the destination option, choose Save as PDF.
• Give a name for new PDF Document, and Save to the folder you want.
Now the new PDF has no password on it.