lightbar: remove erroneous multiplications by FP_SCALE
lightbar: remove erroneous multiplications by FP_SCALE

Not sure why these were around. They were making RAMP_ONCE and
CYCLE_ONCE do obviously incorrect things.

BUG=None
BRANCH=ToT
TEST=Manual, visual inspection

Change-Id: I618078e8bef8824f5449d5b5453924beb36d50e1
Signed-off-by: Eric Caruso <b4dfd424537681137c06263971140211e84cb3c6@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/220463
Reviewed-by: Bill Richardson <129945214b1d548d8e49b6c29c43094f8c78057f@chromium.org>

akappy7/ChromeOS_EC_LED_Diagnostics,fourier49/BIZ_EC,fourier49/BIZ_EC,md5555/ec,coreboot/chrome-ec,longsleep/ec,fourier49/BZ_DEV_EC,akappy7/ChromeOS_EC_LED_Diagnostics,longsleep/ec,eatbyte/chromium-ec,md5555/ec,coreboot/chrome-ec,coreboot/chrome-ec,fourier49/BZ_DEV_EC,fourier49/BIZ_EC,eatbyte/chromium-ec,akappy7/ChromeOS_EC_LED_Diagnostics,md5555/ec,longsleep/ec,coreboot/chrome-ec,mtk09422/chromiumos-platform-ec,eatbyte/chromium-ec,fourier49/BZ_DEV_EC,fourier49/BZ_DEV_EC,md5555/ec,coreboot/chrome-ec,akappy7/ChromeOS_EC_LED_Diagnostics,coreboot/chrome-ec,longsleep/ec,mtk09422/chromiumos-platform-ec,mtk09422/chromiumos-platform-ec,mtk09422/chromiumos-platform-ec,akappy7/ChromeOS_EC_LED_Diagnostics,eatbyte/chromium-ec,fourier49/BIZ_EC