[meta] Discourage profanity usage (#4239)

I'm not into millennial humor, personally.

Proactively removed as much profanity as I could grep.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4239
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: Samuel <lizzie@eden-emu.dev>

src/core/hle/service/set/system_settings_server.cpp

@@ -1020,7 +1020,7 @@ Result ISystemSettingsServer::GetBatteryLot(Out<BatteryLot> out_battery_lot) {
         c.lot_number[1] = 'H';
         c.lot_number[2] = 'A';
         c.lot_number[3] = 'C';
-        // TODO: I have no fucking idea what the letters mean
+        // TODO: what do the letters mean?
         c.lot_number[4] = 'H';
         c.lot_number[5] = 'Z';
         c.lot_number[6] = 'Z';