refactor: remove old Node compat code (#16142)

This code was introduced in 808f797 and
was needed for "compat mode". Since "compat mode" was removed in v1.26, this
code is no longer needed.

cli/proc_state.rs

@@ -49,7 +49,6 @@ use deno_graph::create_graph;
 use deno_graph::source::CacheInfo;
 use deno_graph::source::LoadFuture;
 use deno_graph::source::Loader;
-use deno_graph::source::ResolveResponse;
 use deno_graph::ModuleKind;
 use deno_graph::Resolved;
 use deno_runtime::deno_broadcast_channel::InMemoryBroadcastChannel;
@@ -293,41 +292,11 @@ impl ProcState {
     dynamic_permissions: Permissions,
     reload_on_watch: bool,
   ) -> Result<(), AnyError> {
-    let maybe_resolver: Option<&dyn deno_graph::source::Resolver> =
-      if let Some(resolver) = &self.maybe_resolver {
-        Some(resolver.as_ref())
-      } else {
-        None
-      };
-
-    // NOTE(@bartlomieju):
-    // Even though `roots` are fully resolved at this point, we are going
-    // to resolve them through `maybe_resolver` to get module kind for the graph
-    // or default to ESM.
-    //
-    // One might argue that this is a code smell, and I would agree. However
-    // due to flux in "Node compatibility" it's not clear where it should be
-    // decided what `ModuleKind` is decided for root specifier.
-    let roots: Vec<(deno_core::url::Url, deno_graph::ModuleKind)> = roots
+    let roots = roots
       .into_iter()
-      .map(|r| {
-        if let Some(resolver) = &maybe_resolver {
-          let response =
-            resolver.resolve(r.as_str(), &Url::parse("unused:").unwrap());
-          // TODO(bartlomieju): this should be implemented in `deno_graph`
-          match response {
-            ResolveResponse::CommonJs(_) => (r, ModuleKind::CommonJs),
-            ResolveResponse::Err(_) => unreachable!(),
-            _ => (r, ModuleKind::Esm),
-          }
-        } else {
-          (r, ModuleKind::Esm)
-        }
-      })
-      .collect();
+      .map(|s| (s, ModuleKind::Esm))
+      .collect::<Vec<_>>();
 
-    // TODO(bartlomieju): this is very make-shift, is there an existing API
-    // that we could include it like with "maybe_imports"?
     if !reload_on_watch {
       let graph_data = self.graph_data.read();
       if self.options.type_check_mode() == TypeCheckMode::None
@@ -350,6 +319,12 @@ impl ProcState {
     );
     let maybe_locker = as_maybe_locker(self.lockfile.clone());
     let maybe_imports = self.options.to_maybe_imports()?;
+    let maybe_resolver: Option<&dyn deno_graph::source::Resolver> =
+      if let Some(resolver) = &self.maybe_resolver {
+        Some(resolver.as_ref())
+      } else {
+        None
+      };
 
     struct ProcStateLoader<'a> {
       inner: &'a mut cache::FetchCacher,