Merge pull request #997 from exercism/fix-uuids

Fix overly long UUIDs

config.json

         "strings"
       ],
       "unlocked_by": "rna-transcription",
-      "uuid": "1bea45f6-021e-0a80-1e53-afcd9f9a8df08c01126"
+      "uuid": "331073b3-bd1a-4868-b767-a64ce9fd9d97"
     },
     {
       "core": false,
         "text_formatting"
       ],
       "unlocked_by": "matrix",
-      "uuid": "99191d53-0fed-f680-de7a-55cfb872de17bc58629"
+      "uuid": "486d342e-c834-40fc-b691-a4dab3f790da"
     },
     {
       "core": false,