* fixing some quantize and dequantize doc issues

* Update doc/sphinx/source/ops/dequantize.rst

* Update doc/sphinx/source/ops/dequantize.rst

* Update doc/sphinx/source/ops/dequantize.rst

* Update doc/sphinx/source/ops/quantize.rst

* Update doc/sphinx/source/ops/quantize.rst

* Update doc/sphinx/source/ops/quantize.rst

* change output to hypertext

* style check