Remove useless eshell stuff

lisp/eshell-settings.el

@@ -13,49 +13,7 @@ This is taken from a website that I can't remember at the moment."
     (mapc
      #'find-file-other-window
      (mapcar
-      #'expand-file-name (eshell-flatten-list (reverse args))))))
+      #'expand-file-name (flatten-tree (reverse args))))))
-
-(defun eshell/clear ()
-  "Clear the scrollback buffer, like `clear' in a real shell..."
-  (eshell/clear-scrollback))
-
-(defun eshell/faketty (&rest args)
-  "USAGE: `faketty ARGS` where ARGS is anything that spews colors.
-Credit: https://stackoverflow.com/questions/1401002/how-to-trick-an-application-into-thinking-its-stdout-is-a-terminal-not-a-pipe"
-    (shell-command-to-string
-     (format "script -qfc %s /dev/null" args)))
-
-(defun with-face (str &rest face-plist)
-  (propertize str 'face face-plist))
-(defun custom-eshell-prompt ()
-  (let* (
-         ;; Get the git branch.
-         (git-branch-unparsed
-          (shell-command-to-string "git rev-parse --abbrev-ref HEAD 2>/dev/null"))
-         (git-branch
-          (if (string= git-branch-unparsed "")
-              ""
-            ;; Remove the trailing newline.
-            (substring git-branch-unparsed 0 -1)))
-         )
-    (concat
-     ;; Timestamp.
-     ;; (with-face
-     ;;  (format-time-string "[%a, %b %d | %H:%M:%S]\n" (current-time))
-     ;;  :inherit font-lock-builtin-face)
-     ;; Directory.
-     (with-face (concat (airline-shorten-directory default-directory (/ (window-width) 2)) " ") :inherit font-lock-constant-face)
-     ;; Git branch.
-     (unless (string= git-branch "")
-       (with-face (concat "[" git-branch "]") :inherit font-lock-string-face))
-     "\n"
-     ;; Prompt.
-     ;; NOTE: Need to keep " $" for the next/previous prompt regexp to work.
-     (with-face ">" :inherit font-lock-preprocessor-face)
-     " "
-     )))
-(setq eshell-prompt-function 'custom-eshell-prompt)
-(setq eshell-highlight-prompt nil)
 
 (provide 'eshell-settings)
 ;;; eshell-settings.el ends here