feat: Cleans up routes.

Sources/DatabaseClientLive/Vendors.swift

@@ -92,10 +92,8 @@ extension Vendor.Create {
 
 extension Vendor.Update {
   func validate() throws {
-    if let name {
-      guard !name.isEmpty else {
-        throw ValidationError(message: "Vendor name should not be empty.")
-      }
+    guard !name.isEmpty else {
+      throw ValidationError(message: "Vendor name should not be empty.")
     }
   }
 }
@@ -141,8 +139,6 @@ final class VendorModel: Model, @unchecked Sendable {
 
   func applyUpdates(_ updates: Vendor.Update) throws {
     try updates.validate()
-    if let name = updates.name {
-      self.name = name
-    }
+    name = updates.name
   }
 }