Legacy regression MarkSymbolizer has no maxX maxY

[ger-benjamin]

See method processSymbolVectorMarker

geostyler-lyrx-parser/src/processSymbolLayer.ts

Line 222 in a88b888

// @ts-ignore FIXME see issue #62

We assign maxX maxY but they don't exist in Geostyler and will not be used.

[ger-benjamin]

Legacy logic coming from GeoCat/bridge-style@9dcd45e#diff-eeab780d2a4c7bf120cf3c43756c0793703acb10b4c536742f15b8e8a969383cR281