move macros to put text in white or red from "shortcuts" to "commun" packages.

commun/commun.sty

@@ -140,6 +140,16 @@
     \node[shape=circle,draw,inner sep=2pt] (char) {#1};
   }
 }
+
+% text ghosting
+\NewDocumentCommand \ghost { } {%
+    \color{white}
+}
+
+% text redding
+\NewDocumentCommand \red { } {%
+    \color{red}
+}
 %--%
 
 

shortcuts/shortcuts.sty

@@ -141,14 +141,4 @@
     }
 }
 
-% text ghosting
-\NewDocumentCommand \ghost { } {%
-    \color{white}
-}
-
-% text redding
-\NewDocumentCommand \red { } {%
-    \color{red}
-}
-
 %--%