chore: remove leftover Send + Sync with LogWriter

Removes them from LogWriterConfig and new_custom_writer

src/builder.rs

@@ -113,7 +113,7 @@ impl Default for LiquiditySourceConfig {
 enum LogWriterConfig {
 	File(FilesystemLoggerConfig),
 	Log(LogLevel),
-	Custom(Arc<dyn LogWriter + Send + Sync>),
+	Custom(Arc<dyn LogWriter>),
 }
 
 impl std::fmt::Debug for LogWriterConfig {

src/logger.rs

@@ -185,7 +185,7 @@ impl Logger {
 		Self { writer: Writer::LogFacadeWriter { level } }
 	}
 
-	pub fn new_custom_writer(log_writer: Arc<dyn LogWriter + Send + Sync>) -> Self {
+	pub fn new_custom_writer(log_writer: Arc<dyn LogWriter>) -> Self {
 		Self { writer: Writer::CustomWriter(log_writer) }
 	}
 }