test(reg-cli): remove some unnecessary simulators from e2e testing

protractor.conf.js

@@ -25,18 +25,6 @@ exports.config = {
         ]
       }
     },
-    {
-      name: '800x600',
-      browserName: 'chrome',
-      chromeOptions: {
-        args: [
-          '--high-dpi-support=1',
-          '--force-device-scale-factor=2',
-          '--window-size=800,600',
-          ...flags
-        ]
-      }
-    },
     {
       name: '1920x1080',
       browserName: 'chrome',
@@ -89,16 +77,6 @@ exports.config = {
         args: [...flags]
       }
     },
-    {
-      name: 'Nexus6P',
-      browserName: 'chrome',
-      chromeOptions: {
-        mobileEmulation: {
-          deviceName: 'Nexus 6P'
-        },
-        args: [...flags]
-      }
-    },
     {
       name: 'Nexus5X',
       browserName: 'chrome',