Method remove

ij/src/main/java/ij/Prefs.java:322–325

(String key)

	}

	@AstroImageJ(reason = "Update preferences to new formats")
	public static void remove(String key) {
		ijPrefs.remove(KEY_PREFIX+key);
	}

	@AstroImageJ(reason = "Update preferences to new formats")
	public static boolean containsKey(String key) {