disable --skip-linting for contract compilation

Author: achimcc

crates/sandbox/src/build_command.rs

@@ -131,7 +131,7 @@ fn build_execution_command() -> Vec<String> {
         "rm -rf {}/contract.* {}/metadata.json",
         target_dir, target_dir
     );
-    let build_cmd = "cargo contract build --offline --skip-linting 2>&1".to_string();
+    let build_cmd = "cargo contract build --offline 2>&1".to_string();
     let move_cmd = format!("mv {}/contract.contract {}", target_dir, DOCKER_OUTPUT);
 
     let command = format!("{} && {} && {}", clean_cmd, build_cmd, move_cmd);