ROCK-8404 Removed custom email from group manager

Plugins/org.secc.GroupManager/org_secc/GroupManager/LWYARoster.ascx

@@ -351,7 +351,7 @@ $(window).load(function() {
             <Rock:RockLiteral ID="ltEmailRecipients" runat="server"></Rock:RockLiteral>
             <Rock:Toggle ID="cbEmailSendToParents" runat="server" OnText="Parents" OffText="Members" Label="Send To:"
                 OnCssClass="btn-primary" OffCssClass="btn-primary" Checked="false" OnCheckedChanged="cbEmailSendToParents_CheckedChanged" />
-            <Rock:RockDropDownList ID="ddlFrom" runat="server" Label="From Email:"></Rock:RockDropDownList>
+            <Rock:RockLiteral ID="ltFromEmail" runat="server" Label="From Email:"></Rock:RockLiteral>
             <Rock:RockTextBox ID="tbSubject" runat="server" Label="Subject:"></Rock:RockTextBox>
             <Rock:RockTextBox ID="tbBody" runat="server" TextMode="MultiLine" Rows="5" Label="Message:"></Rock:RockTextBox>
             <Rock:BootstrapButton ID="btnEmailSend" runat="server" OnClick="btnEmailSend_Click" CssClass="btn btn-primary">Send</Rock:BootstrapButton>

Plugins/org.secc.GroupManager/org_secc/GroupManager/LWYARoster.ascx.cs

@@ -48,9 +48,7 @@ namespace RockWeb.Plugins.org_secc.GroupManager
     [BooleanField( "Allow Email", "Allow email to be sent from this block.", false )]
     [BooleanField( "Allow SMS", "Allow test messages to be sent from this block.", false )]
 
-    [TextField( "Safe Sender Email", "If the current users email address is not from a safe sender, the email address to use.", category: "Email Settings" )]
-    [DefinedTypeField( "Mail Relay Domain Blacklist", "The Defined Type containing the blacklist of restricted domains for relaying email.", false, key: "RestrictedDomains", category: "Email Settings" )]
-    [TextField( "From Email Help", "The help text for the \"From Email\" field", true, "Certain email providers (such as aol.com and yahoo.com) do not permit relaying email from your email address on our servers.  Please select the email address you want this email to be sent from.", category: "Email Settings" )]
+    [TextField( "From Email Address", "The fixed From email address used for all emails sent from this block.", true, "", "Email Settings", 0, "SafeSenderEmail" )]
     [TextField( "Table Number Attribute Key", "Set the Attribute Key of the Table Number group member attribute.", false )]
 
     public partial class LWYARoster : GroupManagerBlock
@@ -272,34 +270,14 @@ protected void btnEmail_Click( object sender, EventArgs e )
 
             DisplayEmailRecipients();
 
-            if ( GetAttributeValue( "SafeSenderEmail" ).IsNotNullOrWhiteSpace() )
+            var safeSenderEmail = GetAttributeValue( "SafeSenderEmail" );
+            if ( safeSenderEmail.IsNotNullOrWhiteSpace() )
             {
-                ddlFrom.Help = GetAttributeValue( "FromEmailHelp" );
-
-                List<ListItem> items = new List<ListItem>();
-                if ( CurrentPerson.Email.IsNotNullOrWhiteSpace() )
-                {
-                    items.Add( new ListItem( CurrentPerson.Email ) );
-                }
-                items.Add( new ListItem( GetAttributeValue( "SafeSenderEmail" ) ) );
-
-                ddlFrom.DataSource = items;
-                ddlFrom.DataBind();
-
-                Guid? restrictedDomainsGuid = GetAttributeValue( "RestrictedDomains" ).AsGuidOrNull();
-                if ( restrictedDomainsGuid.HasValue )
-                {
-                    var restrictedDomains = DefinedTypeCache.Get( restrictedDomainsGuid.Value );
-                    if ( restrictedDomains.DefinedValues.Where( dv => CurrentPerson.Email.EndsWith( dv.Value ) ).Any() )
-                    {
-                        ddlFrom.SelectedValue = GetAttributeValue( "SafeSenderEmail" );
-                        ddlFrom.Enabled = false;
-                    }
-                }
+                ltFromEmail.Text = safeSenderEmail;
             }
             else
             {
-                ddlFrom.Visible = false;
+                ltFromEmail.Text = "";
             }
         }
 
@@ -320,7 +298,7 @@ protected void btnEmailSend_Click( object sender, EventArgs e )
 
                     communication.Subject = tbSubject.Text;
                     communication.FromName = CurrentPerson.FullName;
-                    communication.FromEmail = ddlFrom.SelectedValue;
+                    communication.FromEmail = GetAttributeValue( "SafeSenderEmail" );
                     communication.ReplyToEmail = CurrentPerson.Email;
                     communication.Message = tbBody.Text.Replace( "\n", "<br />" );