LibJS: Move additional notes to spec comments onto their own line

Having all spec comments verbatim on their own line with no additions
made by us will make it easier to automate comparing said comments to
their current spec counterparts.

Userland/Libraries/LibJS/AST.cpp

@@ -473,7 +473,8 @@ Completion SuperCall::execute(Interpreter& interpreter, GlobalObject& global_obj
     TRY(this_er.bind_this_value(global_object, result));
 
     // 9. Let F be thisER.[[FunctionObject]].
-    // 10. Assert: F is an ECMAScript function object. (NOTE: This is implied by the strong C++ type.)
+    // 10. Assert: F is an ECMAScript function object.
+    // NOTE: This is implied by the strong C++ type.
     [[maybe_unused]] auto& f = this_er.function_object();
 
     // 11. Perform ? InitializeInstanceElements(result, F).

Userland/Libraries/LibJS/Interpreter.cpp

@@ -52,7 +52,8 @@ ThrowCompletionOr<Value> Interpreter::run(Script& script_record)
     // 2. Let scriptContext be a new ECMAScript code execution context.
     ExecutionContext script_context(vm.heap());
 
-    // 3. Set the Function of scriptContext to null. (This was done in the construction of script_context)
+    // 3. Set the Function of scriptContext to null.
+    // NOTE: This was done during execution context construction.
 
     // 4. Set the Realm of scriptContext to scriptRecord.[[Realm]].
     script_context.realm = &script_record.realm();

Userland/Libraries/LibJS/Interpreter.h

@@ -50,12 +50,14 @@ public:
         // 2. Let newContext be a new execution context.
         auto& new_context = interpreter->m_global_execution_context;
 
-        // 3. Set the Function of newContext to null. (This is done for us when the execution context is constructed)
+        // 3. Set the Function of newContext to null.
+        // NOTE: This was done during execution context construction.
 
         // 4. Set the Realm of newContext to realm.
         new_context.realm = realm;
 
-        // 5. Set the ScriptOrModule of newContext to null. (This was done during execution context construction)
+        // 5. Set the ScriptOrModule of newContext to null.
+        // NOTE: This was done during execution context construction.
 
         // 6. Push newContext onto the execution context stack; newContext is now the running execution context.
         vm.push_execution_context(new_context);

Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp

@@ -627,7 +627,8 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::prepare_for_ordinary_call(Exec
     TRY(vm.push_execution_context(callee_context, global_object()));
 
     // 13. NOTE: Any exception objects produced after this point are associated with calleeRealm.
-    // 14. Return calleeContext. (See NOTE above about how contexts are allocated on the C++ stack.)
+    // 14. Return calleeContext.
+    // NOTE: See the comment after step 2 above about how contexts are allocated on the C++ stack.
     return {};
 }
 

Userland/Libraries/LibJS/Runtime/FinalizationRegistryConstructor.cpp

@@ -50,10 +50,12 @@ ThrowCompletionOr<Object*> FinalizationRegistryConstructor::construct(FunctionOb
         return vm.throw_completion<TypeError>(global_object, ErrorType::NotAFunction, cleanup_callback.to_string_without_side_effects());
 
     // 3. Let finalizationRegistry be ? OrdinaryCreateFromConstructor(NewTarget, "%FinalizationRegistry.prototype%", « [[Realm]], [[CleanupCallback]], [[Cells]] »).
-    // 4. Let fn be the active function object. (NOTE: Not necessary. The active function object is `this`)
+    // 4. Let fn be the active function object.
+    // NOTE: This is not necessary, the active function object is `this`.
     // 5. Set finalizationRegistry.[[Realm]] to fn.[[Realm]].
     // 6. Set finalizationRegistry.[[CleanupCallback]] to HostMakeJobCallback(cleanupCallback).
-    // 7. Set finalizationRegistry.[[Cells]] to a new empty List. (NOTE: This is done inside FinalizationRegistry instead of here)
+    // 7. Set finalizationRegistry.[[Cells]] to a new empty List.
+    // NOTE: This is done inside FinalizationRegistry instead of here.
     // 8. Return finalizationRegistry.
     return TRY(ordinary_create_from_constructor<FinalizationRegistry>(global_object, new_target, &GlobalObject::finalization_registry_prototype, *realm(), vm.host_make_job_callback(cleanup_callback.as_function())));
 }