py: Remove MP_STATE_CTX, use MP_STATE_THREAD instead (it's an alias).

MP_STATE_CTX was recently aliased to MP_STATE_THREAD and can now be
removed.

py/mpstate.h

@@ -238,7 +238,6 @@ typedef struct _mp_state_ctx_t {
 
 extern mp_state_ctx_t mp_state_ctx;
 
-#define MP_STATE_CTX(x) MP_STATE_THREAD(x)
 #define MP_STATE_VM(x) (mp_state_ctx.vm.x)
 #define MP_STATE_MEM(x) (mp_state_ctx.mem.x)
 

py/runtime.h

@@ -83,10 +83,10 @@ void mp_arg_parse_all_kw_array(size_t n_pos, size_t n_kw, const mp_obj_t *args,
 NORETURN void mp_arg_error_terse_mismatch(void);
 NORETURN void mp_arg_error_unimpl_kw(void);
 
-static inline mp_obj_dict_t *mp_locals_get(void) { return MP_STATE_CTX(dict_locals); }
-static inline void mp_locals_set(mp_obj_dict_t *d) { MP_STATE_CTX(dict_locals) = d; }
-static inline mp_obj_dict_t *mp_globals_get(void) { return MP_STATE_CTX(dict_globals); }
-static inline void mp_globals_set(mp_obj_dict_t *d) { MP_STATE_CTX(dict_globals) = d; }
+static inline mp_obj_dict_t *mp_locals_get(void) { return MP_STATE_THREAD(dict_locals); }
+static inline void mp_locals_set(mp_obj_dict_t *d) { MP_STATE_THREAD(dict_locals) = d; }
+static inline mp_obj_dict_t *mp_globals_get(void) { return MP_STATE_THREAD(dict_globals); }
+static inline void mp_globals_set(mp_obj_dict_t *d) { MP_STATE_THREAD(dict_globals) = d; }
 
 mp_obj_t mp_load_name(qstr qst);
 mp_obj_t mp_load_global(qstr qst);