Remove duplicate.

CHANGES

@@ -2,8 +2,9 @@ CHANGES FROM 3.2a TO 3.3
 
 * Change so that {} is converted to tmux commands immediately when parsed. This
   means it must contain valid tmux commands. For commands which expand %% and
-  %%%, this now only happens within string arguments. Use of aliases inside {}
-  is now forbidden. Processing of commands given in quotes remains the same.
+  %%%, this now only happens within string arguments. Use of nested aliases
+  inside {} is now forbidden. Processing of commands given in quotes remains
+  the same.
 
 * Disable evports on SunOS since they are broken.
 
@@ -65,9 +66,6 @@ CHANGES FROM 3.2a TO 3.3
   new -b flags runs them in the background as before. Also set return code for
   confirm-before.
 
-* Parse {} as actual commands immediately, this means the contents of {} has to
-  be valid tmux commands as well as matching the syntax.
-
 * Change cursor style handling so tmux understands which sequences contain
   blinking and sets the flag appropriately, means that it works whether cnorm
   disables blinking or not. This now matches xterm's behaviour.