Revert "Make april fool maps have the same name as normal maps (#3555)"

This reverts commit 38be51a2d6.

src/server/MapPlaylist.ts

@@ -38,7 +38,6 @@ const frequency: Partial<Record<GameMapName, number>> = {
   BlackSea: 6,
   Britannia: 5,
   BritanniaClassic: 4,
-  DeglaciatedAntarctica: 2,
   Dyslexdria: 12,
   ReglaciatedAntarctica: 12,
   EastAsia: 5,
@@ -66,7 +65,6 @@ const frequency: Partial<Record<GameMapName, number>> = {
   StraitOfGibraltar: 5,
   Svalmel: 8,
   WorldRotated: 15,
-  World: 5,
   Lemnos: 3,
   Passage: 4,
   TwoLakes: 6,
@@ -74,12 +72,10 @@ const frequency: Partial<Record<GameMapName, number>> = {
   Surrounded: 4,
   DidierFrance: 1,
   Didier: 1,
-  AmazonRiver: 1,
   AmazonRiverWide: 12,
   BosphorusStraits: 3,
   BeringStrait: 4,
   Sierpinski: 10,
-  TheBox: 1,
   TheBoxPlus: 12,
   Yenisei: 6,
   TradersDream: 4,