move market data seeder to dedicated command

database/migrations/2021_02_25_041221_create_market_data_table.php

@@ -31,10 +31,6 @@ class CreateMarketDataTable extends Migration
             $table->json('meta_data')->nullable();
             $table->timestamps();
         });
-
-        Artisan::call('db:seed', [
-            '--class' => MarketDataSeeder::class,
-        ]);
     }
 
     /**

database/seeders/MarketDataSeeder.php

@@ -71,7 +71,7 @@ class MarketDataSeeder extends Seeder
             // Close the CSV file
             fclose($handle);
 
-            echo "Imported $rowCount items successfully!\n";
+            echo "Imported $rowCount market data items successfully!\n";
 
         } else {