Problem of build ans publishing

Hello ,
the last year i developped an ionic app v2 and published it in store of sumsung .
now i have made some modification to it , and i want to publish my app in google play , so surely , we must regenerate a release build , follwing this link : https://ionicframework.com/docs/v1/guide/publishing.html
this is the result:
C:\Users\ATIA\demo>
C:\Users\ATIA\demo>cordova plugin rm cordova-plugin-console
Uninstalling cordova-plugin-console from android
Uninstalling cordova-plugin-console from browser
Uninstalling cordova-plugin-console from ios
Removing "cordova-plugin-console"
rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www/plugins/ionic-plugin-keyboard

rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www/plugins/ionic-plugin-keyboard
rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www/plugins

rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www/plugins/ionic-plugin-keyboard
rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www/plugins
rm: could not remove directory (code ENOTEMPTY): C:\Users\ATIA\demo\platfo
owser\www

mkdir: path already exists: C:\Users\ATIA\demo\platforms\browser\www

C:\Users\ATIA\demo>ionic cordova plugin rm cordova-plugin-console
_ _
() ()


| |/ _ | '_ | |/ |
| | (_) | | | | | (

||___/|| |||___| CLI v2.2.1

Usage: ionic task args

=======================
cordova is not a valid task

Available tasks:
(use --help or -h for more info)

start … Starts a new Ionic project in the specified PATH
serve … Start a local development server for app dev/testing
setup … Configure the project with a build tool (beta)
generate … Generate pages and components
platform … Add platform target for building an Ionic app
run … Run an Ionic project on a connected device
emulate … Emulate an Ionic project on a simulator or emulator
build … Build (prepare + compile) an Ionic project for a giv
tform.

plugin … Add a Cordova plugin
resources … Automatically create icon and splash screen resource
a)
Put your images in the ./resources directory, named
or icon.
Accepted file types are .png, .ai, and .psd.
Icons should be 192x192 px without rounded corners.
Splashscreens should be 2208x2208 px, with the image
red in the middle.

upload … Upload an app to your Ionic account
share … Share an app with a client, co-worker, friend, or cu

lib … Gets Ionic library version or updates the Ionic libr
login … Login to your Ionic account
io … Integrate your app with Ionic Cloud services
security … Store your app’s credentials for the Ionic Cloud
push … Upload APNS and GCM credentials to Ionic Push
package … Use Ionic Package to build your app
config … Set configuration variables for your ionic app
service … Add an Ionic service package and install any require
ins
add … Add an Ion, bower component, or addon to the project
remove … Remove an Ion, bower component, or addon from the pr
list … List Ions, bower components, or addons in the projec
info … List information about the users runtime environment
help … Provides help for a certain command
link … Sets your Ionic App ID for your project
hooks … Manage your Ionic Cordova hooks
state … Saves or restores state of your Ionic Application us
e package.json file
docs … Opens up the documentation for Ionic

C:\Users\ATIA\demo>ionic info

Your system information:

ordova CLI: 6.5.0
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.1.7
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 7
Node Version: v6.10.1
Xcode version: Not installed

Help Please .

and where is the problem?