[Rt-commit] rt branch, 4.4/stacked-bar-chart, deleted. rt-4.4.2-67-gcb1b18e1e

[? sunnavy]

The branch, 4.4/stacked-bar-chart has been deleted
       was  cb1b18e1e3aa905bad93bbe8259e4e81111b54b3

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cb1b18e1e3aa905bad93bbe8259e4e81111b54b3 silence "isn't numeric" warnings in GD::Graph for stacked bar charts
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