Revert "enable verbose ftr logging"

This reverts commit 887e528055.

tasks/config/functional_test_runner.js

@@ -1,13 +1,13 @@
 export const functional = {
   options: {
-    logLevel: 'verbose',
+    logLevel: 'debug',
     configFile: require.resolve('../../test/functional/config.js')
   }
 };
 
 export const apiIntegration = {
   options: {
-    logLevel: 'verbose',
+    logLevel: 'debug',
     configFile: require.resolve('../../test/api_integration/config.js')
   }
 };