scripts/bloat-o-meter: use the reverse flag for sort

The sort function has the inbuilt reversal option.  We can use it to save
some time.

Link: https://lkml.kernel.org/r/20230106091319.3824-1-apantykhin@gmail.com
Signed-off-by: Alexander Pantyukhin <apantykhin@gmail.com>
Cc: Nikolay Borisov <nborisov@suse.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

scripts/bloat-o-meter

@@ -80,8 +80,7 @@ def calc(oldfile, newfile, format):
         if d<0: shrink, down = shrink+1, down-d
         delta.append((d, name))
 
-    delta.sort()
-    delta.reverse()
+    delta.sort(reverse=True)
     return grow, shrink, add, remove, up, down, delta, old, new, otot, ntot
 
 def print_result(symboltype, symbolformat):