refactor: user management

app/views/app_mailer/new_user.text.erb

@@ -1,12 +0,0 @@
-Hello <%= @user.first_name %>,
-
-To verify your e-mail address you will be prompted to enter a code when you login to your Postal account. The code you need to enter is:
-
-<%= @user.email_verification_token %>
-
-Once you've done that, you'll be able to access your account.
-
-Thanks,
-
-<%= Postal.smtp_from_name %>
-<%= Postal.smtp_from_address %>

app/views/app_mailer/user_invite.text.erb

@@ -1,10 +0,0 @@
-You've been invited to access the <%= @organization.name %> organization on Postal.
-
-To accept this invitation, please click the link below to create an account or login to an existing one.
-
-<%= Postal.host_with_protocol %>/join/<%= @user_invite.uuid %>
-
-Thanks,
-
-<%= Postal.smtp_from_name %>
-<%= Postal.smtp_from_address %>

app/views/app_mailer/verify_email_address.text.erb

@@ -1,14 +0,0 @@
-Hi <%= @user.first_name %>,
-
-You've just changed the e-mail address on your Postal account. So that we can verify that you own the new address you've entered, we need you to enter the code below into the box shown in your web browser.
-
-<%= @user.email_verification_token %>
-
-If you don't have a box on your screen, just login to your Postal account to continue.
-
-<%= Postal.host_with_protocol %>/login
-
-Thanks,
-
-<%= Postal.smtp_from_name %>
-<%= Postal.smtp_from_address %>