Fix redundant 'leave page' text on survey page
Fix redundant 'leave page' text on survey page

fixes #1305 on github

kdeloach/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees,kdeloach/nyc-trees,maurizi/nyc-trees,kdeloach/nyc-trees,azavea/nyc-trees,kdeloach/nyc-trees,azavea/nyc-trees,kdeloach/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees