fix(db): Don't log query plans for SCAN Thread-Counts, which are fine

src/flux/stores/database-store.coffee

@@ -265,7 +265,9 @@ class DatabaseStore extends NylasStore
         if DEBUG_QUERY_PLANS
           @_db.all "EXPLAIN QUERY PLAN #{query}", values, (err, results=[]) =>
             str = results.map((row) -> row.detail).join('\n') + " for " + query
-            @_prettyConsoleLog(str) if str.indexOf("SCAN") isnt -1
+            return if str.indexOf("SCAN") is -1
+            return if str.indexOf('Thread-Counts') > 0
+            @_prettyConsoleLog(str)
 
       # Important: once the user begins a transaction, queries need to run
       # in serial.  This ensures that the subsequent "COMMIT" call