We had visited your site, it seems you are using free version of pure & simple not pro version. In pro version you will not get such default text.
And on the free version you can remove the default text simply from customizer. For this
Go to dashboard -> appearance->customize->basic setting -> there you will get checkbox to Hide default content from theme
Let us know if you got any problems on this, we are here to make you ease to use our Styled Themes