Remove unused PathBuf import from import.rs

The PathBuf type was added to the import but is not actually used in the file - only Path is used.

Co-authored-by: adityapatwardhan <[email protected]>

Author: Copilot

lib/dsc-lib/src/extensions/import.rs

@@ -20,7 +20,7 @@ use path_absolutize::Absolutize;
 use rust_i18n::t;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use tracing::{debug, info};
 
 #[derive(Debug, Default, Clone, PartialEq, Deserialize, Serialize, JsonSchema)]