chore!: remove /api/server/theme endpoint (#27880)

chore: remove server/theme endpoint

open-api/typescript-sdk/src/fetch-client.ts

@@ -2123,10 +2123,6 @@ export type ServerStorageResponseDto = {
     /** Used disk space in bytes */
     diskUseRaw: number;
 };
-export type ServerThemeDto = {
-    /** Custom CSS for theming */
-    customCss: string;
-};
 export type ServerVersionResponseDto = {
     /** Major version number */
     major: number;
@@ -5643,17 +5639,6 @@ export function getStorage(opts?: Oazapfts.RequestOpts) {
         ...opts
     }));
 }
-/**
- * Get theme
- */
-export function getTheme(opts?: Oazapfts.RequestOpts) {
-    return oazapfts.ok(oazapfts.fetchJson<{
-        status: 200;
-        data: ServerThemeDto;
-    }>("/server/theme", {
-        ...opts
-    }));
-}
 /**
  * Get server version
  */