Revert "Project modernization (#630)"

This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.

This reverts commit a9be52c41a.

Minecraft.World/ChunkPos.cpp

@@ -16,8 +16,8 @@ int64_t ChunkPos::hashCode(int x, int z)
 int ChunkPos::hashCode()
 {
 	int64_t hash = hashCode(x, z);
-	const int h1 = static_cast<int>(hash);
-	const int h2 = static_cast<int>(hash >> 32l);
+	int h1 = (int) (hash);
+	int h2 = (int) (hash >> 32l);
 	return h1 ^ h2;
 }