Remove accidentally duplicated file

crates/ruma-common/tests/api/ui/09-removed-without-deprecated copy.rs

@@ -1,23 +0,0 @@
-use ruma_common::api::ruma_api;
-
-ruma_api! {
-    metadata: {
-        description: "This will fail.",
-        method: GET,
-        name: "invalid_versions",
-        path: "/a/path",
-        rate_limited: false,
-        authentication: None,
-
-        removed: 1.1,
-    }
-
-    request: {
-        #[ruma_api(query_map)]
-        pub fields: Vec<(String, String)>,
-    }
-
-    response: {}
-}
-
-fn main() {}