refactor logger

examples/url-downloader/curl/src/main.rs

@@ -15,14 +15,11 @@
  */
 
 use fluence::fce;
-use fluence::WasmLogger;
+use fluence::WasmLoggerBuilder;
 
 /// Log level can be changed by `RUST_LOG` env as well.
 pub fn main() {
-    WasmLogger::new()
-        .with_log_level(log::Level::Info)
-        .build()
-        .unwrap();
+    WasmLoggerBuilder::new().build().unwrap();
 }
 
 #[fce]