Canonicalize ingested files directly instead of creating AST nodes

crates/compiler/parse/src/ast.rs

@@ -1,5 +1,4 @@
 use std::fmt::Debug;
-use std::path::Path;
 
 use crate::header::{
     self, AppHeader, HostedHeader, InterfaceHeader, ModuleName, PackageHeader, PlatformHeader,
@@ -391,9 +390,6 @@ pub enum Expr<'a> {
     // Record Builders
     RecordBuilder(Collection<'a, Loc<RecordBuilderField<'a>>>),
 
-    // The name of a file to be ingested directly into a variable.
-    IngestedFile(&'a Path, &'a Loc<TypeAnnotation<'a>>),
-
     // Lookups
     Var {
         module_name: &'a str, // module_name will only be filled if the original Roc code stated something like `5 + SomeModule.myVar`, module_name will be blank if it was `5 + myVar`
@@ -914,7 +910,6 @@ impl<'a, 'b> RecursiveValueDefIter<'a, 'b> {
                 | Str(_)
                 | SingleQuote(_)
                 | AccessorFunction(_)
-                | IngestedFile(_, _)
                 | Var { .. }
                 | Underscore(_)
                 | Crash
@@ -2283,7 +2278,6 @@ impl<'a> Malformed for Expr<'a> {
             Tag(_) |
             OpaqueRef(_) |
             SingleQuote(_) | // This is just a &str - not a bunch of segments
-            IngestedFile(_, _) |
             EmptyDefsFinal |
             Crash => false,