F consolidation

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Insert a meaningful description for this merge request here.  What is the
new/changed behavior? Which bug has been fixed? Are there related Issues?

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• All automated tests pass
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• All automated tests pass
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For further good practices have a look at our review guidelines.

include/caosdb/entity.h

@@ -66,9 +66,8 @@ using caosdb::StatusCode;
 using caosdb::entity::v1alpha1::EntityResponse;
 using caosdb::entity::v1alpha1::FileTransmissionId;
 using google::protobuf::RepeatedPtrField;
-using ProtoMessage = caosdb::entity::v1alpha1::Message;
 
-const static std::string logger_name = "caosdb::entity";
+static const std::string logger_name = "caosdb::entity";
 
 /**
  * The property importance.