[ENG-11034] Update unconfirmed error page due to deprecated legacy view (#112)

Author: cslzchen

src/main/resources/messages.properties

@@ -673,7 +673,6 @@ screen.error.page.loginagain=Log in again
 screen.authnerror.title=Login Error
 screen.authnerror.tips=Oops! Something went wrong ...
 screen.authnerror.tips.devmode=Developer mode only !!!
-screen.authnerror.button.resendosfconfirmation=Resend confirmation email
 screen.authnerror.button.backtoosf=Exit login
 screen.authnerror.button.logout=Log out
 screen.blocked.message=You are being throttled for attempting to login too frequently in a short amount of time. \
@@ -689,7 +688,8 @@ screen.accountnotconfirmedidp.message=The OSF account associated with the email
   "mailto:support@osf.io">OSF Support</a>.
 screen.accountnotconfirmedosf.heading=Account not confirmed
 screen.accountnotconfirmedosf.message=The OSF account associated with the email has been registered but not confirmed. \
-  Please check your email (and spam folder) or click the button below to resend your confirmation email.
+  Please check your email (and spam folder) or contact <a style="white-space: nowrap" href="mailto:support@osf.io">OSF \
+  Support</a>.
 screen.servererror.title=Server Error
 screen.unavailable.heading=CAS unavailable
 screen.unavailable.message=Your request cannot be completed at this time. Please return to OSF and try again later. If \

src/main/resources/templates/casAccountNotConfirmedIdPView.html

@@ -18,11 +18,6 @@
                     <h1 th:utext="#{screen.accountnotconfirmedidp.heading}"></h1>
                     <p th:utext="#{screen.accountnotconfirmedidp.message}"></p>
                 </section>
-                <section class="form-button">
-                    <a class="mdc-button mdc-button--raised button-osf-blue" th:href="@{${osfUrl.resendConfirmation}}">
-                        <span class="mdc-button__label" th:utext="#{screen.authnerror.button.resendosfconfirmation}"></span>
-                    </a>
-                </section>
                 <hr class="my-4" />
                 <section class="text-with-mdi">
                     <span><a th:href="@{/logout(service=${osfUrl.logout})}" th:utext="#{screen.authnerror.button.backtoosf}"></a></span>

src/main/resources/templates/casAccountNotConfirmedOsfView.html

@@ -18,11 +18,6 @@
                     <h1 th:utext="#{screen.accountnotconfirmedosf.heading}"></h1>
                     <p th:utext="#{screen.accountnotconfirmedosf.message}"></p>
                 </section>
-                <section class="form-button">
-                    <a class="mdc-button mdc-button--raised button-osf-blue" th:href="@{${osfUrl.resendConfirmation}}">
-                        <span class="mdc-button__label" th:utext="#{screen.authnerror.button.resendosfconfirmation}"></span>
-                    </a>
-                </section>
                 <hr class="my-4" />
                 <section class="text-with-mdi">
                     <span><a th:href="@{/logout(service=${osfUrl.logout})}" th:utext="#{screen.authnerror.button.backtoosf}"></a></span>