refactor(server): cleanup unused schemas

Author: chenxin-yan

packages/server/convex/http.ts

@@ -139,78 +139,6 @@ export const ZUpsertProgramWithRequirements = z.object({
   ),
 });
 
-export const ZUpsertRequirements = z.array(
-  z.discriminatedUnion("type", [
-    z.object({
-      programId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"programs">),
-      ),
-      isMajor: z.boolean(),
-      description: z.optional(z.string()),
-      type: z.literal("required"),
-      courses: z.array(z.string()),
-    }),
-    z.object({
-      programId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"programs">),
-      ),
-      isMajor: z.boolean(),
-      description: z.optional(z.string()),
-      type: z.literal("alternative"),
-      courses: z.array(z.string()),
-    }),
-    z.object({
-      programId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"programs">),
-      ),
-      isMajor: z.boolean(),
-      description: z.optional(z.string()),
-      type: z.literal("options"),
-      courses: z.array(z.string()),
-      courseLevels: z.array(
-        z.object({
-          program: z.string(),
-          level: z.coerce.number(),
-        }),
-      ),
-      creditsRequired: z.number(),
-    }),
-  ]),
-);
-
-export const ZUpsertPrerequisites = z.array(
-  z.discriminatedUnion("type", [
-    z.object({
-      courseId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"courses">),
-      ),
-      type: z.literal("required"),
-      courses: z.array(z.string()),
-    }),
-    z.object({
-      courseId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"courses">),
-      ),
-      type: z.literal("alternative"),
-      courses: z.array(z.string()),
-    }),
-    z.object({
-      courseId: z.pipe(
-        z.string(),
-        z.transform((val) => val as Id<"courses">),
-      ),
-      type: z.literal("options"),
-      courses: z.array(z.string()),
-      creditsRequired: z.number(),
-    }),
-  ]),
-);
-
 export const ZUpsertCourseOfferings = z.array(
   z.object({
     courseCode: z.string(), // CSCI-UA 102