Update README.md

Author: mtzelepi

README.md

@@ -3,8 +3,6 @@ Trained caffemodels.
 
 Inria: https://www.dropbox.com/s/epauad41hmb6ele/inria.caffemodel?dl=0
 
-Oxford 5k: https://www.dropbox.com/s/z5glq473oanv6a9/oxford.caffemodel?dl=0
-
 Paris 6k: https://www.dropbox.com/s/vzv8ml4ll9k4iiq/paris.caffemodel?dl=0
 
 UKBench: https://www.dropbox.com/s/98eqdf3iv2cvzzi/ukbench.caffemodel?dl=0