You can add this snippet at the tail end of your custom CSS on the QRZ bio page to remove most ads:

Code:
#qadv, div.mt2, div.bq, div.lads, span.nobb, img[height="90"], img[width="115"], div[width="125"], img[height="125"], img[width="125"], img[width="468"], img[width="300"], img[height="250"], ins, ins.adsbygoogle, iframe {    visibility: hidden !important;    display: none !important;    width: 0 !important;    height: 0 !important;}