If you are looking to get rid of the Google Maps location bubble for simple Google maps iFrames try adding &iwloc=near to the end of the iFrame SRC url.
<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=917+SW+Oak+St,+Portland,+OR&aq=0&oq=917+SW+Oak&sll=45.543408,-122.654422&sspn=0.588145,1.423416&ie=UTF8&hq=&hnear=917+SW+Oak+St,+Portland,+Multnomah,+Oregon+97205&t=m&z=14&ll=45.522687,-122.680434&output=embed&iwloc=near"></iframe>