Fixed a small issue with textfield

Author: Pururun

android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/textfield/TextFieldColors.kt

@@ -41,10 +41,6 @@ fun mullvadWhiteTextFieldColors(): TextFieldColors =
         focusedIndicatorColor = MaterialTheme.colorScheme.onPrimary,
         unfocusedIndicatorColor = MaterialTheme.colorScheme.onPrimary,
         errorIndicatorColor = MaterialTheme.colorScheme.error,
-        focusedContainerColor = MaterialTheme.colorScheme.onBackground,
-        unfocusedContainerColor = MaterialTheme.colorScheme.onBackground,
-        errorContainerColor = MaterialTheme.colorScheme.onBackground,
-        disabledContainerColor = MaterialTheme.colorScheme.onBackground
     )
 
 @Preview