remove leftover debug print, standardise task prints

tasks.py

@@ -99,7 +99,7 @@ def make_dormant(acc):
 @unique
 def fetch_acc(id_):
     account = Account.query.get(id_)
-    print(f'fetching {account}')
+    print("Fetching {}".format(account))
     try:
         if not account.fetch_history_complete:
             oldest = (db.session.query(Post)
@@ -140,7 +140,6 @@ def fetch_acc(id_):
                 since_id = None
 
 
-        print('max_id: {}, since_id: {}'.format(max_id, since_id))
         fetch_posts = noop
         if (account.service == 'twitter'):
             fetch_posts = libforget.twitter.fetch_posts
@@ -267,7 +266,7 @@ def delete_from_account(account_id):
                     break
 
         if to_delete:
-            print("deleting {}".format(to_delete))
+            print("Deleting {}".format(to_delete))
             account.touch_delete()
             action(to_delete)
             account.reset_backoff()