Fix and generalize styling for member form macro

Only display permissions with 'Edit' value
Delete unused files and rename MemberForm macro file

styles/atat.scss

@@ -38,6 +38,7 @@
 @import "components/dod_login_notice.scss";
 @import "components/sticky_cta.scss";
 @import "components/error_page.scss";
+@import "components/member_form.scss";
 
 @import "sections/login";
 @import "sections/home";