Revert "Reland "refactor(core): cleanup feature flags for js source i… (#19611)

…nclusion" (#19519)"

This reverts commit 28a4f3d0f5383695b1d49ccdc8b0f799a715b2c2.

This change causes failures when used outside Deno repo:
```
============================================================
Deno has panicked. This is a bug in Deno. Please report this
at https://github.com/denoland/deno/issues/new.
If you can reliably reproduce this panic, include the
reproduction steps and re-run with the RUST_BACKTRACE=1 env
var set and include the backtrace in your report.

Platform: linux x86_64
Version: 1.34.3+b37b286
Args: ["/opt/hostedtoolcache/deno/0.0.0-b37b286f7fa68d5656f7c180f6127bdc38cf2cf5/x64/deno", "test", "--doc", "--unstable", "--allow-all", "--coverage=./cov"]

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failed to read "/home/runner/work/deno/deno/core/00_primordials.js"

Caused by:
    No such file or directory (os error 2)', core/runtime/jsruntime.rs:699:8
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
```

6 files changed, 17 insertions, 13 deletions

diff --git a/ext/fs/lib.rs b/ext/fs/lib.rs
index d27712927..7ba6cd7ca 100644
--- a/ext/fs/lib.rs
+++ b/ext/fs/lib.rs
@@ -19,6 +19,7 @@ use crate::ops::*;
 use deno_core::error::AnyError;
 use deno_core::OpState;
 use std::cell::RefCell;
+use std::convert::From;
 use std::path::Path;
 use std::rc::Rc;
 
diff --git a/ext/net/ops.rs b/ext/net/ops.rs
index d48d08823..921b9ea5b 100644
--- a/ext/net/ops.rs
+++ b/ext/net/ops.rs
@@ -1034,7 +1034,7 @@ mod tests {
     );
 
     let mut runtime = JsRuntime::new(RuntimeOptions {
-      extensions: vec![test_ext::init_ext()],
+      extensions: vec![test_ext::init_ops()],
       ..Default::default()
     });
 
diff --git a/ext/url/benches/url_ops.rs b/ext/url/benches/url_ops.rs
index 2ead0429d..835dfea2e 100644
--- a/ext/url/benches/url_ops.rs
+++ b/ext/url/benches/url_ops.rs
@@ -11,8 +11,8 @@ use deno_core::ExtensionFileSourceCode;
 
 fn setup() -> Vec<Extension> {
   vec![
-    deno_webidl::deno_webidl::init_ext(),
-    deno_url::deno_url::init_ext(),
+    deno_webidl::deno_webidl::init_ops_and_esm(),
+    deno_url::deno_url::init_ops_and_esm(),
     Extension::builder("bench_setup")
       .esm(vec![ExtensionFileSource {
         specifier: "ext:bench_setup/setup",
diff --git a/ext/web/benches/encoding.rs b/ext/web/benches/encoding.rs
index 16278d26d..5b147f00c 100644
--- a/ext/web/benches/encoding.rs
+++ b/ext/web/benches/encoding.rs
@@ -24,10 +24,13 @@ impl deno_web::TimersPermission for Permissions {
 
 fn setup() -> Vec<Extension> {
   vec![
-    deno_webidl::deno_webidl::init_ext(),
-    deno_url::deno_url::init_ext(),
-    deno_console::deno_console::init_ext(),
-    deno_web::deno_web::init_ext::<Permissions>(BlobStore::default(), None),
+    deno_webidl::deno_webidl::init_ops_and_esm(),
+    deno_url::deno_url::init_ops_and_esm(),
+    deno_console::deno_console::init_ops_and_esm(),
+    deno_web::deno_web::init_ops_and_esm::<Permissions>(
+      BlobStore::default(),
+      None,
+    ),
     Extension::builder("bench_setup")
       .esm(vec![ExtensionFileSource {
         specifier: "ext:bench_setup/setup",
diff --git a/ext/web/benches/timers_ops.rs b/ext/web/benches/timers_ops.rs
index d5830efba..084fac98b 100644
--- a/ext/web/benches/timers_ops.rs
+++ b/ext/web/benches/timers_ops.rs
@@ -22,14 +22,14 @@ impl deno_web::TimersPermission for Permissions {
 
 fn setup() -> Vec<Extension> {
   vec![
-    deno_webidl::deno_webidl::init_ext(),
-    deno_url::deno_url::init_ext(),
-    deno_console::deno_console::init_ext(),
-    deno_web::deno_web::init_ext::<Permissions>(BlobStore::default(), None),
+    deno_webidl::deno_webidl::init_ops_and_esm(),
+    deno_url::deno_url::init_ops_and_esm(),
+    deno_console::deno_console::init_ops_and_esm(),
+    deno_web::deno_web::init_ops_and_esm::<Permissions>(BlobStore::default(), None),
     Extension::builder("bench_setup")
     .esm(vec![
       ExtensionFileSource {
-        specifier: "ext:bench_setup/setup",
+        specifier: "ext:bench_setup/setup", 
         code: ExtensionFileSourceCode::IncludedInBinary(r#"
       import { setTimeout, handleTimerMacrotask } from "ext:deno_web/02_timers.js";
       globalThis.setTimeout = setTimeout;
diff --git a/ext/webidl/benches/dict.rs b/ext/webidl/benches/dict.rs
index 1b2fcd2e5..b3d95c8a3 100644
--- a/ext/webidl/benches/dict.rs
+++ b/ext/webidl/benches/dict.rs
@@ -11,7 +11,7 @@ use deno_core::ExtensionFileSourceCode;
 
 fn setup() -> Vec<Extension> {
   vec![
-    deno_webidl::deno_webidl::init_ext(),
+    deno_webidl::deno_webidl::init_ops_and_esm(),
     Extension::builder("deno_webidl_bench")
       .esm(vec![ExtensionFileSource {
         specifier: "ext:deno_webidl_bench/setup.js",