Revert "Merge branch 'position-fix' of https://github.com/RobJacobs/bootstrap"

This reverts commit a25caa7, reversing
changes made to 00ac93e.

Author: RobJacobs

Diff for: src/position/position.js

@@ -464,13 +464,17 @@ angular.module('ui.bootstrap.position', [])
       positionArrow: function(elem, placement) {
         elem = this.getRawNode(elem);
 
-        var innerElem = elem.querySelector('.tooltip-inner, .popover-inner');
+        var isTooltip = true;
+
+        var innerElem = elem.querySelector('.tooltip-inner');
+        if (!innerElem) {
+          isTooltip = false;
+          innerElem = elem.querySelector('.popover-inner');
+        }
         if (!innerElem) {
           return;
         }
 
-        var isTooltip = angular.element(innerElem).hasClass('tooltip-inner');
-
         var arrowElem = isTooltip ? elem.querySelector('.tooltip-arrow') : elem.querySelector('.arrow');
         if (!arrowElem) {
           return;