metrics: remove bootstrap timing, as its not usefull at all.

Counter resets on each start we don't get any good metrics out of that

rhodecode/config/middleware.py

@@ -129,16 +129,10 @@ def make_pyramid_app(global_config, **settings):
 
     # creating the app uses a connection - return it after we are done
     meta.Session.remove()
-    statsd = StatsdClient.statsd
 
     total_time = time.time() - start_time
     log.info('Pyramid app `%s` created and configured in %.2fs',
              pyramid_app.func_name, total_time)
-    if statsd:
-        elapsed_time_ms = round(1000.0 * total_time)  # use ms only rounded time
-        statsd.timing('rhodecode_app_bootstrap_timing', elapsed_time_ms, tags=[
-            "pyramid_app:{}".format(pyramid_app.func_name)
-        ], use_decimals=False)
     return pyramid_app