deb: remove sbuild build mode

src/deb/mod.rs

@@ -1,7 +1,6 @@
 mod cross;
 mod ephemeral;
 mod local;
-mod sbuild;
 
 use crate::context::{self, Context};
 use std::error::Error;
@@ -11,8 +10,6 @@ use std::sync::Arc;
 /// Build mode for the binary build
 #[derive(PartialEq)]
 pub enum BuildMode {
-    /// Use `sbuild` for the build, configured in unshare mode
-    Sbuild,
     /// Local build, directly on the context
     Local,
 }
@@ -110,15 +107,6 @@ pub async fn build_binary_package(
             )
             .await?
         }
-        BuildMode::Sbuild => sbuild::build(
-            &package,
-            &version,
-            arch,
-            series,
-            &build_root,
-            cross,
-            build_ctx.clone(),
-        )?,
     };
 
     // Retrieve produced .deb files