remove foreign keys from migration

database/migrations/2018_10_29_003021_create_esi_tokens.php

@@ -17,7 +17,6 @@ class CreateEsiTokens extends Migration
             Schema::create('EsiTokens', function(Blueprint $table) {
                 $table->integer('id')->increments();
                 $table->integer('character_id')->unique();
-                $table->foreign('character_id')->references('character_id')->on('users');
                 $table->string('access_token');
                 $table->string('refresh_token');
                 $table->integer('expires_in');

database/migrations/2018_11_05_001352_create_user_roles_table.php

@@ -16,7 +16,7 @@ class CreateUserRolesTable extends Migration
         if(!Schema::hasTable('user_roles')) {
             Schema::create('user_roles', function (Blueprint $table) {
                 $table->increments('id');
-                $table->integer('user_id');
+                $table->integer('character_id');
                 $table->string('role')->default('None');
                 $table->timestamps();
             });

database/migrations/2018_11_05_160450_create_user_esi_scopes.php

@@ -17,7 +17,6 @@ class CreateUserEsiScopes extends Migration
             Schema::create('UserEsiScopes', function(Blueprint $table) {
                 $table->integer('id')->increments();
                 $table->integer('character_id');
-                $table->foreign('character_id')->references('character_id')->on('users');
                 $table->string('scope');
                 $table->timestamps();
             });