delete unused function

lib/cache.js

@@ -41,35 +41,6 @@ exp.get_redis = function() {
   return redis;
 };
 
-
-// updates the redis instance's server_info object
-// callback: error, info object
-exp.info = function(callback) {
-  redis.info(function(err, res) {
-    // parse the info command and store it in redis.server_info
-
-    // this code block was taken from mranney/node_redis#on_info_cmd
-    // http://git.io/LBUNbg
-    var lines = res.toString().split("\r\n");
-    var obj = {};
-    lines.forEach(function(line) {
-      var parts = line.split(":");
-      if (parts[1]) {
-        obj[parts[0]] = parts[1];
-      }
-    });
-    obj.versions = [];
-    if (obj.redis_version) {
-      obj.redis_version.split(".").forEach(function(num) {
-        obj.versions.push(+num);
-      });
-    }
-    redis.server_info = obj;
-
-    callback(err, redis.server_info);
-  });
-};
-
 // set model type to value of *slim*
 exp.set_slim = function(rid, userId, slim, callback) {
   logging.debug(rid, "setting slim for", userId, "to " + slim);