Drop RL targets definitions from module class

Now equal to the default in 1.40 - 01aec63c

Bug: T328497
Change-Id: Ibe7c9b81269a4d31fe26930b912d41191c1ac9ab

includes/ResourceLoaderULSJsonMessageModule.php

@@ -28,14 +28,6 @@ class ResourceLoaderULSJsonMessageModule extends Module {
 		return [ 'ext.uls.i18n' ];
 	}
 
-	/**
-	 * Get supported mobile targets
-	 * @return string[] supported targets
-	 */
-	public function getTargets() {
-		return [ 'desktop', 'mobile' ];
-	}
-
 	/**
 	 * @suppress PhanParamSignatureRealMismatchParamType, UnusedSuppression -- T308443
 	 * @param Context $context