remove picker library

Author: biodunalfet

raveandroid/build.gradle

@@ -28,7 +28,6 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.code-troopers.betterpickers:library:3.1.0'
     compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.android.support.constraint:constraint-layout:1.0.0-beta3'
     compile 'com.android.support:design:25.3.1'

raveandroid/src/main/java/com/flutterwave/raveandroid/card/CardFragment.java

@@ -33,8 +33,6 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.codetroopers.betterpickers.expirationpicker.ExpirationPickerBuilder;
-import com.codetroopers.betterpickers.expirationpicker.ExpirationPickerDialogFragment;
 import com.flutterwave.raveandroid.Payload;
 import com.flutterwave.raveandroid.PayloadBuilder;
 import com.flutterwave.raveandroid.R;