removed more unused code

src/app/components/kbn.js

@@ -4,94 +4,6 @@ function($, _, moment) {
 
   var kbn = {};
 
-  kbn.get_object_fields = function(obj) {
-    var field_array = [];
-    obj = kbn.flatten_json(obj._source);
-    for (var field in obj) {
-      field_array.push(field);
-    }
-    return field_array.sort();
-  };
-
-  kbn.get_all_fields = function(data,flat) {
-    return _.uniq(_.without(_.reduce(data,function(memo,hit) {
-      return flat ? memo.concat(_.keys(kbn.flatten_json(hit._source))) : memo.concat(_.keys(hit._source));
-    },[]),'$$hashkey'));
-  };
-
-  kbn.has_field = function(obj,field) {
-    var obj_fields = kbn.get_object_fields(obj);
-    if (_.inArray(obj_fields,field) < 0) {
-      return false;
-    } else {
-      return true;
-    }
-  };
-
-  kbn.get_related_fields = function(docs,field) {
-    var field_array = [];
-    _.each(docs, function(doc) {
-      var keys = _.keys(doc);
-      if(_.contains(keys,field)) {
-        field_array = field_array.concat(keys);
-      }
-    });
-    var counts = _.countBy(_.without(field_array,field),function(field){return field;});
-    return _.map(counts, function(num, key){return {name:key,count:num};});
-  };
-
-  kbn.recurse_field_dots = function(object,field) {
-    var value = null;
-    var nested;
-    if (typeof object[field] !== 'undefined') {
-      value = object[field];
-    }
-    else if (nested = field.match(/(.*?)\.(.*)/)) {
-      if(typeof object[nested[1]] !== 'undefined') {
-        value = (typeof object[nested[1]][nested[2]] !== 'undefined') ?
-          object[nested[1]][nested[2]] : kbn.recurse_field_dots(
-            object[nested[1]],nested[2]);
-      }
-    }
-
-    return value;
-  };
-
-  kbn.top_field_values = function(docs,field,count,grouped) {
-    var all_values = _.pluck(docs,field),
-      groups = {},
-      counts,
-      hasArrays;
-    // manually grouping into pairs allows us to keep the original value,
-    _.each(all_values, function (value) {
-      var k;
-      if(_.isArray(value)) {
-        hasArrays =  true;
-      }
-      if(_.isArray(value) && !grouped) {
-        k = value;
-      } else {
-        k = _.isUndefined(value) ? '' : [value.toString()];
-      }
-      _.each(k, function(key) {
-        if (_.has(groups, key)) {
-          groups[key][1] ++;
-        } else {
-          groups[key] = [(grouped ? value : key), 1];
-        }
-      });
-    });
-
-    counts = _.values(groups).sort(function(a, b) {
-      return a[1] - b[1];
-    }).reverse().slice(0,count);
-
-    return {
-      counts: counts,
-      hasArrays : hasArrays
-    };
-  };
-
    /**
      * Calculate a graph interval
      *