Remove a todo

Submission to the Apple App Store for iOS no longer requires embedding
bitcode, but even back when it did, it needed LLVM bitcode, so GCC
wouldn't work anyway.

Author: bjorn3

src/back/write.rs

@@ -68,9 +68,6 @@ pub(crate) fn codegen(
                 let _timer = prof
                     .generic_activity_with_arg("GCC_module_codegen_embed_bitcode", &*module.name);
                 if lto_supported {
-                    // TODO(antoyo): maybe we should call embed_bitcode to have the proper iOS fixes?
-                    //embed_bitcode(cgcx, llcx, llmod, &config.bc_cmdline, data);
-
                     context.add_command_line_option("-flto=auto");
                     context.add_command_line_option("-flto-partition=one");
                     context.add_command_line_option("-ffat-lto-objects");