fix: Consolidate water sensor array length

[ntlhui]

Water sensor detect array length is provided both as a preprocessor define as well as runtime argument. Consolidate to preprocessor define only.

See

smartfin-fw3/src/watersensor/waterSensor.cpp

Line 7 in 99e3141

uint8_t water_detect_array[WATER_DETECT_ARRAY_SIZE];

,

smartfin-fw3/src/watersensor/waterSensor.cpp

Line 14 in 99e3141

moving_window_size(window_size)

,

smartfin-fw3/src/watersensor/waterSensor.cpp

Line 51 in 99e3141

for (uint8_t i = 0; (i < moving_window_size) && (i < samples_taken_since_reset); i++)

,

smartfin-fw3/src/system.cpp

Line 56 in 99e3141

static WaterSensor waterSensor(WATER_DETECT_EN_PIN, WATER_DETECT_PIN, WATER_DETECT_SURF_SESSION_INIT_WINDOW);