Add early deletion customise after everything else

Needs to be the very last customise, hence plugged in ConfigBuilder.

Configuration/Applications/python/ConfigBuilder.py

@@ -2217,6 +2217,16 @@ def prepare(self, doChecking = False):
 
 	self.pythonCfgCode += self.addCustomiseCmdLine()
 
+        # Temporary hack to put the early delete customization after
+        # everything else
+        #
+        # FIXME: remove when no longer needed
+        if "RECO" in self.stepMap or "RAW2RECO" in self.stepMap:
+                self.pythonCfgCode += "\n# Add early deletion of temporary data products to reduce peak memory need\n"
+                self.pythonCfgCode += "from RecoTracker.Configuration.customiseEarlyDeleteForSeeding import customiseEarlyDeleteForSeeding\n"
+                self.pythonCfgCode += "process = customiseEarlyDeleteForSeeding(process)\n"
+                self.pythonCfgCode += "# End adding early deletion\n"
+
 
 	# make the .io file