Remove "future" from policies implemented in M72.

Bug: 891174
Change-Id: Icd1be1b4d9eec699223757cd5da846a5a705e0ef
Reviewed-on: https://chromium-review.googlesource.com/c/1344060
Commit-Queue: Vladislav Kuzkokov <vkuzkokov@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610053}

components/policy/resources/policy_templates.json

@@ -1626,7 +1626,7 @@
           'caption': '''Monochrome printing only''',
         },
       ],
-      'supported_on': ['chrome_os:70-'],
+      'supported_on': ['chrome_os:71-'],
       'features': {
         'can_be_recommended': False,
         'dynamic_refresh': True,
@@ -1734,7 +1734,6 @@
         },
       ],
       'supported_on': ['chrome_os:72-'],
-      'future': True,
       'features': {
         'can_be_recommended': False,
         'dynamic_refresh': True,
@@ -1775,7 +1774,6 @@
         },
       ],
       'supported_on': ['chrome_os:72-'],
-      'future': True,
       'features': {
         'can_be_recommended': False,
         'dynamic_refresh': True,