all: Rename MP_QSTR_umodule to MP_QSTR_module everywhere.

This renames the builtin-modules, such that help('modules') and printing
the module object will show "module" rather than "umodule".

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
diff --git a/py/modio.c b/py/modio.c
index 9ec6bbc..3462611 100644
--- a/py/modio.c
+++ b/py/modio.c
@@ -203,7 +203,7 @@
 #endif // MICROPY_PY_IO_BUFFEREDWRITER
 
 STATIC const mp_rom_map_elem_t mp_module_io_globals_table[] = {
-    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uio) },
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_io) },
     // Note: mp_builtin_open_obj should be defined by port, it's not
     // part of the core.
     { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
@@ -226,6 +226,6 @@
     .globals = (mp_obj_dict_t *)&mp_module_io_globals,
 };
 
-MP_REGISTER_MODULE(MP_QSTR_uio, mp_module_io);
+MP_REGISTER_MODULE(MP_QSTR_io, mp_module_io);
 
 #endif