2D: Remove duplicated axis width/height from graphsview


The AxisRenderer's axis width and height values were unnecessary
duplicated in QGraphsView.

This change removes those duplications from QGraphsView.

Pick-to: 6.12
Change-Id: I737751dcddf509392ba79b40dd4f7995cd2839cb
Reviewed-by: Owais Akhtar <owais.akhtar@qt.io>
Reviewed-by: Kaj Grönholm <kaj.gronholm@qt.io>
Reviewed-by: Tomi Korpipaa <tomi.korpipaa@qt.io>
commit6684d42bbc25a1375e7a264a6aa2f4fa00bff757
parent022c39d1d822691136d1156e9714b734cf86feaf
authorSami Varanka <sami.varanka@qt.io>
committerSami Varanka <sami.varanka@qt.io>
commit timeThu, 1 Oct 2026 07:34:05 +0000