Community maps 2 v0.26.4 released

[andy5995]

• maps/scenarios/Caledonia_2p: add new map by @perfecto25
• maps/scenarios/Masada: add new map by @perfecto25

• remove maps that are already included in the feldmap mod
  (see https://wildfiregames.com/forum/topic/53880-feldmap-a26/)

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This discussion was created from the release Community maps 2 v0.26.4 released.