Remove broken URLs

Author: rogerluan

data_sources.json

@@ -160,13 +160,6 @@
         "global"
       ]
     },
-    {
-      "name": "Workana",
-      "url": "https://www.workana.com/",
-      "categories": [
-        "global"
-      ]
-    },
     {
       "name": "WorkingNomads",
       "url": "https://www.workingnomads.co/jobs",
@@ -233,13 +226,6 @@
         "brazilian"
       ]
     },
-    {
-      "name": "Workana Brazil",
-      "url": "https://www.workana.com/?locale=pt_br",
-      "categories": [
-        "brazilian"
-      ]
-    },
     {
       "name": "BairesDev",
       "url": "https://www.bairesdev.com/",