Revert "Disable (Cell,DirReq,Entry,ExitPort)Statistics on bridges"

This reverts commit 981e896dd2eaf69798bb503c271306ee779dd6d2.

Apparently Karsten still needs DirReqStatistics for bridges; see

changes/bug5824

@@ -1,3 +0,0 @@
-  o Minor bugfixes:
-    - Bridges now never collect statistics that were designed for
-      relays. Fix for bug 5824; bugfix on 0.2.1.17-rc.

src/or/config.c

@@ -1703,9 +1703,8 @@ options_act(const or_options_t *old_options)
     time_t now = time(NULL);
     int print_notice = 0;
 
-    /* If we aren't acting as a server, or we are a bridge, we can't collect
-     * stats anyway. */
-    if (!public_server_mode(options)) {
+    /* If we aren't acting as a server, we can't collect stats anyway. */
+    if (!server_mode(options)) {
       options->CellStatistics = 0;
       options->DirReqStatistics = 0;
       options->EntryStatistics = 0;