Remove dead code from bindgen codegen, orphaned scripts, and misc crates

.gitignore

@@ -180,8 +180,6 @@ scratch
 
 *.bun-build
 
-scripts/lldb-inline
-
 test/integration/bun-types/fixture/bun.lock
 .claude/scheduled_tasks.lock
 .claude/worktrees

docs/project/bindgen.mdx

@@ -149,7 +149,6 @@ An example of `stringEnum` from `fmt_jsc.bind.ts` / `bun:internal-for-testing`:
 export const Formatter = t.stringEnum("highlight-javascript", "highlight-javascript-redacted", "escape-powershell");
 
 export const fmtString = fn({
-  implNamespace: "js_bindings",
   args: {
     global: t.globalObject,
     code: t.UTF8String,
@@ -162,7 +161,9 @@ export const fmtString = fn({
 On the Rust side, the enum is mirrored as a `#[repr(u8)]` enum. Bindgen
 **sorts `t.stringEnum` values alphabetically** before emitting the C++
 `enum class`, so discriminants must match the generated header's order, not
-the `.bind.ts` declaration order:
+the `.bind.ts` declaration order. (The `js_bindings` submodule below is just
+how `fmt_jsc.rs` organizes its binding impls; the Rust module layout is up to
+the implementing file.)
 
 ```rust
 pub mod js_bindings {
@@ -186,12 +187,6 @@ pub mod js_bindings {
 
 WebIDL strongly encourages kebab-case for enumeration values, to be consistent with existing Web APIs.
 
-## `implNamespace`
-
-Setting `implNamespace: "foo"` on a `fn({...})` routes the generated call to
-`crate::<basename>::foo::fn_name` instead of `crate::<basename>::fn_name`. Use
-this to group related binding implementations under a submodule.
-
 ## `t.oneOf`
 
 A `oneOf` is a union of two or more types. It is represented as a Rust