[Setup] Remove useless copy of version.txt in python package

setup.py

@@ -93,10 +93,6 @@ class CMakeBuild(build_ext):
                     currentFile = os.path.join(root, file)
                     shutil.copy(currentFile, str(aidge_package.absolute()))
 
-        # Copy version.txt in aidge_package
-        os.chdir(os.path.dirname(__file__))
-        shutil.copy("version.txt", str(aidge_package.absolute()))
-
 
 if __name__ == "__main__":
     setup(