[BUG] 2 Template errors found using django-extensions validate_templates

[alexkisielewicz]

Command "python3 manage.py validate_templates" was run to check the templates using Django extensions. Result: 2 Template Syntax Errors:

• misspelled "load" in templates/accounts/email.html
• "block" tag with name head_title appears more than once

[alexkisielewicz]

Corrected typo in email.html Removed redundant head_title block.