Do not create views at offline level but only RoIs

This will replace the ACTS Event View maker with a simple algorithm for creating an RoI for later use in (e.g.) the clustering

Current sequence:

Tracking/Acts/ActsDataPreparation/test/runCompositeRoICode.py

@@ -50,9 +50,10 @@ if __name__ == "__main__":
     acc.merge(PoolReadCfg(flags))
 
     # RoI creator
-    from ActsConfig.ActsViewConfig import ActsEventViewCreatorAlgCfg
-    acc.merge(ActsEventViewCreatorAlgCfg(flags,
-                                         RoICreatorTool=acc.popToolsAndMerge(TestCompositeRoIToolCfg(flags))))
+    from ActsConfig.ActsRegionsOfInterestConfig import ActsMainRegionsOfInterestCreatorAlgCfg
+    acc.merge(ActsMainRegionsOfInterestCreatorAlgCfg(flags,
+                                                     RoIs='TestCompositeRoI',
+                                                     RoICreatorTool=acc.popToolsAndMerge(TestCompositeRoIToolCfg(flags))))
 
     # Data Preparation - Clustering
     from ActsConfig.ActsClusterizationConfig import ActsPixelClusterizationAlgCfg