Eshell: Rename patch-eshell-26 to patch-eshell since it's not fixed in Emacs 27.

.emacs.d/lisp/init-eshell.el

@@ -73,8 +73,7 @@
 ;;; REVIEW: eshell/date does not support many options from GNU date.
 ;;; > date +%Z
 ;;; See #29157.
-(when (< emacs-major-version 27)
-  (require 'patch-eshell-26))
+(require 'patch-eshell)
 
 ;;; TODO: Change face of eshell/* commands in commandline to avoid confusion
 ;;; with system programs.

.emacs.d/lisp/patch-eshell.el

@@ -21,4 +21,4 @@ input."
   (setq eshell-history-index nil))
 (advice-add 'eshell-add-input-to-history :override 'ambrevar/eshell-add-input-to-history)
 
-(provide 'patch-eshell-26)
+(provide 'patch-eshell)