Remove data attribute from the IO type

[chiplet]

There's a deprecation message indicating that the data property of the IO class is obsolete and will be removed in release 1.4. We should remove it as the next release is already 1.7 and it just adds unnecessary clutter.

thesdk/thesdk/__init__.py

Line 562 in fbad641

self.print_log(type='O',msg='IO attribute \'data\' is obsoleted by attribute \'Data\' Will be removed in release 1.4' )