Improve modal Send to Trash:

[1] Remove header (and text from it too);

[2] Update design based on wireframe attached (UI_V.2.0_Send_to_Trash.png). For background color:

background-color: $ez-ground-base-medium;

[3] Cancel, should be styled as a button too. For background color:

background-color: $ez-color-base-medium;