How to disable Skype click to call in Safari?
Solution 1:
Go to FaceTime -> preferences. There, change "default calling method" to FaceTime. (it might be called a little different, I use a different language)
Solution 2:
You must had installed that plug in at one time.
Open your Safari web browser and go to Preferences.
Click Extensions in the menu bar.
Uncheck the Enable Skype Click to Call box.