Revert "Implement sensor status debouncing"

This reverts commit 0ed1871042.

src/config.rs

@@ -46,7 +46,6 @@ pub enum AuthConfig {
 pub struct Config {
     pub mqtt: MQTTConfig,
     pub rooms: Vec<String>,
-    pub debounce_delay: u64,
     #[serde(flatten)]
     pub auth: AuthConfig,
     pub homeserver_uri: String