removed duplicated entry

android.bib

@@ -679,17 +679,6 @@
   url =		 {http://arxiv.org/abs/1706.05042},
 }
 
-@inproceedings{Felt:2012:APU,
-   author = {Felt, Adrienne Porter and Ha, Elizabeth and Egelman, Serge and Haney, Ariel and Chin, Erika and Wagner, David},
-   title = {Android Permissions: User Attention, Comprehension, and Behavior},
-   crossref =	 "SOUPS2012",
-   isbn = {978-1-4503-1532-6},
-   pages = {3:1--3:14},
-   numpages = {14},
-   doi = {10.1145/2335356.2335360},
-   keywords = {Android, mobile phones, smartphones, usable security},
-}
-
 @inproceedings{Ren:BugFixesPrivacy:NDSS:2018,
   author =	 {Ren, Jingjing and Lindorfer, Martina and Dubois,
                   Daniel J. and Rao, Ashwin and Choffnes, David and