Remove code left over by previous cleanup

copilot.el

@@ -69,7 +69,7 @@
          (inhibit-quit t)
          (curfile (buffer-file-name))
          (lang (file-name-extension curfile))
-         (promptfile (concat curfile ".prompt"))
+
          ;; extract the entire buffer up to the current position
          (code (save-excursion
                  (beginning-of-buffer)
@@ -91,9 +91,6 @@ Only output the missing parts of the code. \
 Generate %s code to complete the following snippet:\n```%s\n%s"
                   system context lang lang code)))
 
-    ;; write out the prompt to a temporary file
-    (write-region prompt nil promptfile 'silent)
-
     ;; run ollama streaming stdout into buffer catching ctrl-g
     (with-local-quit
       (copilot--run-ollama prompt))
@@ -109,10 +106,7 @@ Generate %s code to complete the following snippet:\n```%s\n%s"
         (goto-char spot)
         (while (re-search-forward "```[a-z]*" end t)
           (setq end (- end (length (match-string 0))))
-          (replace-match ""))))
-
-    ;; remove temporary files
-    (delete-file promptfile)))
+          (replace-match ""))))))
 
 ;; define `ctrl-c ctrl-k` keybinding for llm code completion
 (defun copilot-c-hook ()