Remove unused Var.rev

Question

Var.rev is unused. The usage that does exist is not synchronised correctly.

Alex suggested it be removed in this discussion;

https://groups.google.com/forum/#!topic/clojure-dev/idsFYAKnTPc

The attached patch removes rev from Var.

Screened: Alex Miller

Answer 1

Reference: https://clojure.atlassian.net/browse/CLJ-2306 (reported by alex+import)