icons: rename NEUTRINO_ICON_SCRAMBLED2 => NEUTRINO_ICON_SCRAMBLED

Origin commit data
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Commit: da9d58fddf
Author: vanhofen <vanhofen@gmx.de>
Date: 2021-10-16 (Sat, 16 Oct 2021)

Origin message was:
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- icons: rename NEUTRINO_ICON_SCRAMBLED2 => NEUTRINO_ICON_SCRAMBLED

data/icons/status/channel/Makefile.am

@@ -3,8 +3,8 @@ installdir = $(ICONSDIR)
 install_DATA = \
 	16_9.png \
 	16_9_gray.png \
-	ca2.png \
-	ca2_gray.png \
+	ca.png \
+	ca_gray.png \
 	dd.png \
 	dd_avail.png \
 	dd_gray.png \