Remove potential duplicate registration code

Was sometimes causing an error when importing the project

io_EDM/__init__.py

@@ -19,16 +19,14 @@ def register():
     rna_register()
     panels_register()
     importer_register()
-    bpy.utils.register_module(__name__)
-
+
   def unregister():
     from .io_operators import unregister as importer_unregister
     from .rna import unregister as rna_unregister
     from .panels import unregister as panels_unregister
     importer_unregister()
     panels_unregister()
     rna_unregister()
-    bpy.utils.unregister_module(__name__)
 
   if __name__ == "__main__":
     register()