add DELETE impl of MSC4133 for MSC4175

Signed-off-by: strawberry <strawberry@puppygock.gay>

crates/ruma-client-api/src/profile.rs

@@ -7,3 +7,4 @@ pub mod get_timezone_key;
 pub mod set_avatar_url;
 pub mod set_display_name;
 pub mod set_timezone_key;
+pub mod delete_timezone_key;

crates/ruma-client-api/src/profile/delete_timezone_key.rs

@@ -0,0 +1,47 @@
+//! `DELETE /_matrix/client/*/profile/{userId}/m.tz`
+//!
+//! Deletes the timezone key of the user.
+
+pub mod unstable {
+    use ruma_common::{
+        api::{request, response, Metadata},
+        metadata, OwnedUserId,
+    };
+
+    const METADATA: Metadata = metadata! {
+        method: DELETE,
+        rate_limited: true,
+        authentication: AccessToken,
+        history: {
+            unstable => "/_matrix/client/unstable/uk.tcpip.msc4133/profile/:user_id/us.cloke.msc4175.tz",
+            // 1.12 => "/_matrix/client/v3/profile/:user_id/m.tz",
+        }
+    };
+
+    /// Request type for the `delete_timezone_key` endpoint.
+    #[request(error = crate::Error)]
+    pub struct Request {
+        /// The user whose timezone will be deleted.
+        #[ruma_api(path)]
+        pub user_id: OwnedUserId,
+    }
+
+    /// Response type for the `delete_timezone_key` endpoint.
+    #[response(error = crate::Error)]
+    #[derive(Default)]
+    pub struct Response {}
+
+    impl Request {
+        /// Creates a new `Request` with the given user ID.
+        pub fn new(user_id: OwnedUserId) -> Self {
+            Self { user_id }
+        }
+    }
+
+    impl Response {
+        /// Creates an empty `Response`.
+        pub fn new() -> Self {
+            Self {}
+        }
+    }
+}