feat(build): use prettyplease to format output (#890) (#904)

tonic-health/Cargo.toml

@@ -15,8 +15,7 @@ repository = "https://github.com/hyperium/tonic"
 version = "0.5.0"
 
 [features]
-default = ["transport", "rustfmt"]
-rustfmt = ["tonic-build/rustfmt"]
+default = ["transport"]
 transport = ["tonic/transport", "tonic-build/transport"]
 
 [dependencies]

tonic-health/build.rs

@@ -8,7 +8,6 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .file_descriptor_set_path(grpc_health_v1_descriptor_set_path)
         .build_server(true)
         .build_client(true)
-        .format(false)
         .compile(&["proto/health.proto"], &["proto/"])?;
 
     Ok(())