Delete the section for utf-7.

lisp/ldefs-boot.el

@@ -28743,12 +28743,6 @@ The buffer in question is current when this function is called.
 
 \(fn FN)" nil nil)
 
-;;;***
-
-;;;### (autoloads nil "utf-7" "international/utf-7.el" (17246 18006))
-;;; Generated autoloads from international/utf-7.el
-(autoload-coding-system 'utf-7 '(require 'utf-7))
-
 ;;;***
 
 ;;;### (autoloads (uudecode-decode-region uudecode-decode-region-internal