py/runtime: Remove obsolete comment about mp_parse_compile_execute.
py/runtime: Remove obsolete comment about mp_parse_compile_execute.

mp_locals_get/set and mp_globals_get/set are now static-inline functions so
this comment is no longer correct.

henriknelson/micropython,pramasoul/micropython,tobbad/micropython,trezor/micropython,selste/micropython,kerneltask/micropython,bvernoux/micropython,selste/micropython,MrSurly/micropython,kerneltask/micropython,adafruit/circuitpython,bvernoux/micropython,adafruit/circuitpython,bvernoux/micropython,selste/micropython,kerneltask/micropython,trezor/micropython,tobbad/micropython,pramasoul/micropython,MrSurly/micropython,henriknelson/micropython,selste/micropython,bvernoux/micropython,selste/micropython,pramasoul/micropython,adafruit/circuitpython,tobbad/micropython,adafruit/circuitpython,pramasoul/micropython,tobbad/micropython,adafruit/circuitpython,kerneltask/micropython,pozetroninc/micropython,kerneltask/micropython,pozetroninc/micropython,henriknelson/micropython,trezor/micropython,bvernoux/micropython,pozetroninc/micropython,adafruit/circuitpython,trezor/micropython,tobbad/micropython,trezor/micropython,henriknelson/micropython,pozetroninc/micropython,henriknelson/micropython,MrSurly/micropython,pozetroninc/micropython,pramasoul/micropython,MrSurly/micropython,MrSurly/micropython