Remove warning from grid-[column/row]-gap + grid-area combo

[75th]

Similar to #1157, but also completely different. grid-column-gap affects the child grid, not the parent grid; it and grid-area have nothing to do with each other. But presumably because autoprefixer is looking for grid-column-* properties, it warns about it anyway:

You already have a grid-area declaration present in the rule. You should use either grid-area or grid-column-gap, not both

I think this should be removed.

[ai]

/cc @Dan503

[Dan503]

Ok yeah this is a valid bug.

It shouldn't be warning if using grid-column-gap (or grid-row-gap) in combination with grid-area.

The warning is more intended for uses of grid-area in combination with grid-column, grid-column-start, and grid-column-end.

We should be more specific when checking for a match when displaying the warning or explicitly exclude grid-column-gap and grid-row-gap from the warning message check.

[ai]

Fixed 9c9107d

I will release it when we will find a solution for #1369