refactor: remove access request functionality and related components

- Deleted the solicitacoesAcesso route and its associated components to streamline the dashboard.
- Updated dashboard stats to remove references to access requests, ensuring accurate data representation.
- Refactored backend queries to eliminate access request data handling, enhancing performance and maintainability.
- Adjusted type definitions to reflect the removal of access request functionalities.

packages/backend/convex/schema.ts

@@ -514,24 +514,6 @@ export default defineSchema({
     valor: v.string(),
   }),
 
-  solicitacoesAcesso: defineTable({
-    nome: v.string(),
-    matricula: v.string(),
-    email: v.string(),
-    telefone: v.string(),
-    status: v.union(
-      v.literal("pendente"),
-      v.literal("aprovado"),
-      v.literal("rejeitado")
-    ),
-    dataSolicitacao: v.number(),
-    dataResposta: v.optional(v.number()),
-    observacoes: v.optional(v.string()),
-  })
-    .index("by_status", ["status"])
-    .index("by_matricula", ["matricula"])
-    .index("by_email", ["email"]),
-
   // Sistema de Autenticação e Controle de Acesso
   usuarios: defineTable({
     authId: v.string(),