[Component amendment]: Table without lines

## Component/pattern to amend

Table
## Visual

table without lines should be legal for simple tables

## Context

Reduce visual clutter

Start by locating the Table component or pattern and reviewing its current visual treatment. Check how simple tables are styled and identify the intended no-line presentation from the issue's visual context. Done means a simple table can appear without lines while preserving the framework's table behavior and visual consistency.

Written by the indexing model from the issue text.