fix: email fetch error for imaplib (#15581)

* fix: remove maxline for imaplib

* refactor: remove redundant line

Co-authored-by: Summayya <frappe@Summayyas-MacBook-Air.local>

frappe/email/receive.py

@@ -27,11 +27,7 @@ from frappe.utils.html_utils import clean_email_html
 
 # fix due to a python bug in poplib that limits it to 2048
 poplib._MAXLINE = 20480
-imaplib._MAXLINE = 20480
 
-# fix due to a python bug in poplib that limits it to 2048
-poplib._MAXLINE = 20480
-imaplib._MAXLINE = 20480
 
 
 class EmailSizeExceededError(frappe.ValidationError): pass