Revert "Implement inspector flag (#62920)" (#64248)

This reverts commit bf2d51bcfd.

As discussed with @\ChristopherBiscardi , this has to be implemented
differently, making a first step towards that.

Release Notes:

- N/A

crates/inspector_ui/Cargo.toml

@@ -11,9 +11,6 @@ workspace = true
 [lib]
 path = "src/inspector_ui.rs"
 
-[features]
-inspector = []
-
 [dependencies]
 anyhow.workspace = true
 command_palette_hooks.workspace = true

crates/inspector_ui/src/inspector_ui.rs

@@ -1,19 +1,19 @@
-#[cfg(any(debug_assertions, feature = "inspector"))]
+#[cfg(debug_assertions)]
 mod div_inspector;
-#[cfg(any(debug_assertions, feature = "inspector"))]
+#[cfg(debug_assertions)]
 mod inspector;
 
-#[cfg(any(debug_assertions, feature = "inspector"))]
+#[cfg(debug_assertions)]
 pub use inspector::init;
 
-#[cfg(not(any(debug_assertions, feature = "inspector")))]
+#[cfg(not(debug_assertions))]
 pub fn init(_app_state: std::sync::Arc<workspace::AppState>, cx: &mut gpui::App) {
     use std::any::TypeId;
     use workspace::notifications::NotifyResultExt as _;
 
     cx.on_action(|_: &zed_actions::dev::ToggleInspector, cx| {
         Err::<(), anyhow::Error>(anyhow::anyhow!(
-            "dev::ToggleInspector is only available in debug builds and Nightly"
+            "dev::ToggleInspector is only available in debug builds"
         ))
         .notify_app_err(cx);
     });

crates/ui/Cargo.toml

@@ -42,4 +42,3 @@ ignored = ["log"]
 
 [features]
 default = []
-derive_inspector_reflection = []

crates/ui/src/traits/styled_ext.rs

@@ -20,10 +20,7 @@ fn elevated_borderless<E: Styled>(this: E, cx: &mut App, index: ElevationIndex)
 /// Extends [`gpui::Styled`] with Zed-specific styling methods.
 // gate on rust-analyzer so rust-analyzer never needs to expand this macro, it takes up to 10 seconds to expand due to inefficiencies in rust-analyzers proc-macro srv
 #[cfg_attr(
-    all(
-        any(debug_assertions, feature = "derive_inspector_reflection"),
-        not(rust_analyzer)
-    ),
+    all(debug_assertions, not(rust_analyzer)),
     gpui_macros::derive_inspector_reflection
 )]
 pub trait StyledExt: Styled + Sized {

crates/zed/Cargo.toml

@@ -12,11 +12,6 @@ default-run = "zed"
 workspace = true
 
 [features]
-inspector = [
-    "gpui/inspector",
-    "inspector_ui/inspector",
-    "ui/derive_inspector_reflection",
-]
 tracy = ["ztracing/tracy"]
 # LEAK_BACKTRACE=1 cargo run --features zed/track-project-leak --profile release-fast
 track-project-leak = ["gpui/leak-detection"]