Globally enable Gnus' scoring

Scoring didn't work in my IMAP mailing list folders, but not it should.  In all
other folders, as long as there is no scoring file, nothing should happen.

init.el

@@ -1604,8 +1604,9 @@
 
 ;; Adaptive Scoring
 
-(setq gnus-use-scoring nil
-      gnus-use-adaptive-scoring nil
+(setq gnus-use-scoring t
+      gnus-use-adaptive-scoring '(word line)
+      gnus-summary-mark-below nil
       gnus-adaptive-word-length-limit 5
       gnus-adaptive-word-no-group-words t
       gnus-default-adaptive-score-alist
@@ -1620,17 +1621,7 @@
         (gnus-ancient-mark)
         (gnus-low-score-mark)
         (gnus-catchup-mark (from -1) (subject -1)))
-      gnus-summary-mark-below nil
-
-      gnus-parameters '(("^nnimap.*"
-                         (gnus-use-scoring nil))
-                        ("^nnimap.*:lists.*"
-                         (gnus-use-scoring t)
-                         (gnus-use-adaptive-scoring '(word line)))
-                        ("^nntp.*"
-                         (gnus-use-scoring nil)
-                         (gnus-summary-mark-below -1000)
-                         (gnus-use-adaptive-scoring '(word line)))))
+      gnus-summary-mark-below nil)
 
 ;; Gnus Registry