stack/erp5: use timerserver bundled in Products.TimerService.timerserver

Since ERP5 commit 8f3b77517e (Force use of the new TimerServer, 2019-09-13)
the timerserver egg is not longer used, so it's not needed to install
and configure it.

stack/erp5/buildout.cfg

@@ -463,7 +463,6 @@ eggs = ${neoppod:eggs}
   requests
   responses
   threadframe
-  timerserver
   urlnorm
   uuid
   xml_marshaller
@@ -704,7 +703,6 @@ spyne = 2.12.14
 suds = 0.4
 facebook-sdk = 2.0.0
 threadframe = 0.2
-timerserver = 2.0.4
 urlnorm = 1.1.4
 uuid = 1.30
 validictory = 1.1.0

stack/erp5/buildout.hash.cfg

@@ -34,7 +34,7 @@ md5sum = cfe4696a67bf4886a5d8252a5274a941
 
 [template-zope-conf]
 filename = zope.conf.in
-md5sum = 5ce9d5e99880d5db9ed339bbefe28d34
+md5sum = 43636f592eb4874798a5bcecac2efe5c
 
 [site-zcml]
 filename = site.zcml

stack/erp5/zope.conf.in

@@ -80,11 +80,7 @@ large-file-threshold {{ parameter_dict['large-file-threshold'] }}
 
 {% set timerserver_interval = parameter_dict['timerserver-interval'] -%}
 {% if timerserver_interval -%}
-{%   if parameter_dict['wsgi'] -%}
 %import Products.TimerService.timerserver
-{%   else %}
-%import timerserver
-{%   endif -%}
 <timer-server>
   interval {{ timerserver_interval }}
 </timer-server>