Remove database provider feature warnings

Author: mehmetozguldev

crates/database/src/connection_manager.rs

@@ -24,6 +24,8 @@ pub enum DatabasePool {
    Mongo(mongodb::Client),
    #[cfg(feature = "redis")]
    Redis(Box<redis::aio::ConnectionManager>),
+   #[doc(hidden)]
+   Unsupported,
 }
 
 pub struct ConnectionManager {

crates/database/src/sidecar.rs

@@ -7,7 +7,7 @@
 use crate::connection_manager::{ConnectionManager, connect_database};
 #[cfg(feature = "postgres")]
 use crate::sql_common::CreatePostgresSubscriptionParams;
-#[cfg(any(feature = "duckdb", feature = "postgres"))]
+#[cfg(feature = "duckdb")]
 use crate::sql_common::FilteredQueryParams;
 use crate::{
    connection_manager::{ConnectionConfig, test_connection},