[fix] Remove tensor registration due to...

[fix] Remove tensor registration due to eclipse/aidge/aidge_core@c1831eab

aidge_export_arm_cortexm/export_registry.py

@@ -3,11 +3,5 @@ from aidge_core.export_utils import ExportLib
 class ExportLibAidgeARM(ExportLib):
     _name="aidge_arm"
 
-
-# TODO ugly fix for Tensor registration issue...
-import aidge_core
-aidge_core.register_Tensor(["aidge_arm", aidge_core.dtype.float32],
-                           aidge_core.get_key_value_Tensor(["cpu", aidge_core.dtype.float32]))
-
 class ExportLibCMSISNN(ExportLib):
     _name="export_cmsisnn"