No longer require this tpe declaration as the tpe is declared in code.

play-scala/conf/application.conf

@@ -82,17 +82,6 @@ play {
           parallelism-max = 300
         }
       }
-      db = {
-        executor = "thread-pool-executor"
-        thread-pool-executor {
-          core-pool-size-factor = 1.0
-          core-pool-size-min = 256
-          core-pool-size-max = 256
-          max-pool-size-factor = 1.0
-          max-pool-size-min = 256
-          max-pool-size-max = 256
-        }
-      }
     }
   }
 }