Drop the L suffix on numerical constants

Python has had automatic int-to-long promotion for a long long time now.
Even Python 2.4 does that automatically.

Python 3 drops support for the L suffix altogether.

lib/ansible/plugins/filter/mathstuff.py

@@ -107,13 +107,13 @@ def human_readable(size, isbits=False, unit=None):
     suffix = ''
 
     ranges = (
-            (1<<70L, 'Z'),
+            (1<<70, 'Z'),
-            (1<<60L, 'E'),
+            (1<<60, 'E'),
-            (1<<50L, 'P'),
+            (1<<50, 'P'),
-            (1<<40L, 'T'),
+            (1<<40, 'T'),
-            (1<<30L, 'G'),
+            (1<<30, 'G'),
-            (1<<20L, 'M'),
+            (1<<20, 'M'),
-            (1<<10L, 'K'),
+            (1<<10, 'K'),
             (1, base)
         )