Remove unused code

src/lib.rs

@@ -19,14 +19,6 @@ pub enum ExternalUsageType {
     Function,
 }
 
-#[derive(Clone)]
-pub struct ExternalUsage {
-    name: String,
-    ty: ExternalUsageType,
-    /// The start byte position as a `usize`.
-    start_pos: usize,
-}
-
 #[derive(Clone)]
 pub struct Import {
     module: String,
@@ -63,9 +55,6 @@ pub struct Module {
     /// Imports of things per module
     /// ie `other_module::{scalar, do_math_func}`
     item_imports: HashMap<String, Import>,
-    /// usages of imported things
-    /// ie `other_module::scalar`
-    import_usages: HashMap<String, Vec<ExternalUsage>>,
     /// Imports of modules
     /// 
     /// These modules are used along side `import_usages`