community topic fix

db/items.json

@@ -87979,7 +87979,7 @@
     "links":[
       "course|https://openeducation.blackboard.com/mooc-catalog/courseDetails/view?course_id=_161_1"
     ],
-    "topics":["coasts","communities","society"]
+    "topics":["coasts","community","society"]
   },
   {
     "id":"ca77c304532e",
@@ -122861,7 +122861,7 @@
     "links":[
       "book|https://www.amazon.in/Get-Together-build-community-people/dp/1732265194"
     ],
-    "topics":["communities"]
+    "topics":["community"]
   },
   {
     "id":"5198c679af4b",
@@ -122869,7 +122869,7 @@
     "links":[
       "audio|https://mastersofscale.com/caterina-fake-build-a-more-human-internet/"
     ],
-    "topics":["communities"]
+    "topics":["community"]
   },
   {
     "id":"cb58fbc5b141",

db/topics.json

@@ -1011,7 +1011,6 @@
   {"name":"renewable-energy"},
   {"name":"nutrition","parent":"health"},
   {"name":"food-safety","parent":"nutrition"},
-  {"name":"communities"},
   {"name":"software-tools/bigquery"},
   {"name":"robert-wright"},
   {"name":"archery","parent":"sports"},