Simplify sendColors() color-mode guard now that inColor is properly set

Since fillRgbwSettings() now correctly sets profile.inColor for Gen2
RGBW PM, the redundant (isGen2 && isRGBW2) clause in sendColors() is
no longer needed — profile.inColor alone is the right gate.

Signed-off-by: Markus Michels <markus7017@gmail.com>

Author: markus7017

bundles/org.openhab.binding.shelly/src/main/java/org/openhab/binding/shelly/internal/handler/ShellyLightHandler.java

@@ -467,7 +467,7 @@ private void sendColors(ShellyDeviceProfile profile, Integer lightId, ShellyColo
         if (autoOn && (newCol.brightness >= 0)) {
             parms.put(SHELLY_LIGHT_TURN, profile.inColor || newCol.brightness > 0 ? SHELLY_API_ON : SHELLY_API_OFF);
         }
-        if (profile.inColor || (profile.isGen2 && profile.isRGBW2)) {
+        if (profile.inColor) {
             if (oldCol.red != newCol.red || oldCol.green != newCol.green || oldCol.blue != newCol.blue
                     || oldCol.white != newCol.white) {
                 logger.debug("{}: Setting RGBW to {}/{}/{}/{}", thingName, newCol.red, newCol.green, newCol.blue,