fix(map.jinja): update EL6 URLs

EL6 has been retired, purging previous content from the mirror network.
Change the URL to the /pub/archive/ path instead.

Drive-By: Bring AWS Linux in line with regular EL links for RPM and keys.

epel/map.jinja

@@ -5,16 +5,16 @@
     },
     'Amazon': salt['grains.filter_by']({
       2018: {
-        'key': 'https://fedoraproject.org/static/0608B895.txt',
+        'key': 'https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6',
         'key_hash': 'sha256=16d35fa467c6efcee21d3aa068a02054b6a89a7a33bffa94db1fc141693d62a3',
         'key_name': 'RPM-GPG-KEY-EPEL-6',
-        'rpm': 'http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm',
+        'rpm': 'http://download.fedoraproject.org/pub/archive/epel/6/i386/epel-release-6-8.noarch.rpm',
       },
       2: {
-        'key': 'https://fedoraproject.org/static/352C64E5.txt',
-        'key_hash': 'sha256=22f25ad95d5e8d371760815485dba696ea3002fc2c7f812f2c75276853387107',
+        'key': 'https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7',
+        'key_hash': 'sha256=028b9accc59bab1d21f2f3f544df5469910581e728a64fd8c411a725a82300c2',
         'key_name': 'RPM-GPG-KEY-EPEL-7',
-        'rpm': 'https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm',
+        'rpm': 'http://download.fedoraproject.org/pub/epel/7/x86_64/Packages/e/epel-release-7-13.noarch.rpm',
       },
     },
     grain='osmajorrelease',
@@ -30,7 +30,7 @@
         'key': 'https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6',
         'key_hash': 'sha256=16d35fa467c6efcee21d3aa068a02054b6a89a7a33bffa94db1fc141693d62a3',
         'key_name': 'RPM-GPG-KEY-EPEL-6',
-        'rpm': 'http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm',
+        'rpm': 'http://download.fedoraproject.org/pub/archive/epel/6/i386/epel-release-6-8.noarch.rpm',
       },
       7: {
         'key': 'https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7',