remove: MONTH_LABEL_MAPPING 상수 제거

Author: tunggary

frontend/src/utils/constants.ts

@@ -86,23 +86,6 @@ export const DEVELOPER_INFORMATION = [
   },
 ];
 
-export const MONTH_LABEL_MAPPING: {
-  [key: string]: string;
-} = {
-  1: 'Jan',
-  2: 'Feb',
-  3: 'Mar',
-  4: 'Apr',
-  5: 'May',
-  6: 'Jun',
-  7: 'Jul',
-  8: 'Aug',
-  9: 'Sep',
-  10: 'Oct',
-  11: 'Nov',
-  12: 'Dec',
-};
-
 export const CUBE_COLOR_MAP: {
   [key in RANK]: string;
 } = {