don't give directional mappers custom names (#24690)

code/__DEFINES/mappers.dm

@@ -1,21 +1,17 @@
 /// Create directional subtypes for a path to simplify mapping.
 #define MAPPING_DIRECTIONAL_HELPERS(path, offset_y, offset_x) ##path/directional/north {\
-	name = "north bump"; \
 	dir = NORTH; \
 	pixel_y = offset_y; \
 } \
 ##path/directional/south {\
-	name = "south bump"; \
 	dir = SOUTH; \
 	pixel_y = -offset_y; \
 } \
 ##path/directional/east {\
-	name = "east bump"; \
 	dir = EAST; \
 	pixel_x = offset_x; \
 } \
 ##path/directional/west {\
-	name = "west bump"; \
 	dir = WEST; \
 	pixel_x = -offset_x; \
 }