Okay, here are the changes to get rid of all the colons in the template file:
In ProfileOptions.template.php search for:
<strong>', $field['name'], ': </strong><br />
Replace with:
<strong>', $field['name'], '</strong><br />
Search for:
<strong', isset($context['modify_error']['bad_password']) || isset($context['modify_error']['no_password']) ? ' class="error"' : '', '><label for="oldpasswrd">', $txt['current_password'], ': </label></strong><br />
Replace with:
<strong', isset($context['modify_error']['bad_password']) || isset($context['modify_error']['no_password']) ? ' class="error"' : '', '><label for="oldpasswrd">', $txt['current_password'], ' </label></strong><br />
Search for:
<label for="pm_settings">', $txt['pm_display_mode'], ':</label>
Replace with:
<label for="pm_settings">', $txt['pm_display_mode'], '</label>
Search for:
<label for="calendar_start_day">', $txt['calendar_start_day'], ':</label>
Replace with:
<label for="calendar_start_day">', $txt['calendar_start_day'], '</label>
Search for:
<label for="notify_regularity">', $txt['notify_regularity'], ':</label>
Replace with:
<label for="notify_regularity">', $txt['notify_regularity'], '</label>
Search for:
<label for="notify_types">', $txt['notify_send_types'], ':</label>
Replace with:
<label for="notify_types">', $txt['notify_send_types'], '</label>
Search for:
<strong>', $txt['primary_membergroup'], ': </strong><br />
Replace with:
<strong>', $txt['primary_membergroup'], ' </strong><br />
Search for:
<strong>', $txt['additional_membergroups'], ':</strong>
Replace with:
<strong>', $txt['additional_membergroups'], '</strong>
Search for:
<strong>', $txt['dob'], ':</strong><br />
Replace with:
<strong>', $txt['dob'], '</strong><br />
Search for:
<strong>', $txt['signature'], ':</strong><br />
Replace with:
<strong>', $txt['signature'], '</strong><br />
Search for:
<strong><label for="easyformat">', $txt['time_format'], ':</label></strong><br />
Replace with:
<strong><label for="easyformat">', $txt['time_format'], '</label></strong><br />
Search for:
<strong', (isset($context['modify_error']['bad_offset']) ? ' class="error"' : ''), '><label for="time_offset">', $txt['time_offset'], ':</label></strong><br />
Replace with:
<strong', (isset($context['modify_error']['bad_offset']) ? ' class="error"' : ''), '><label for="time_offset">', $txt['time_offset'], '</label></strong><br />
Search for:
<strong>', $txt['current_theme'], ':</strong>
Replace with:
<strong>', $txt['current_theme'], '</strong>
If you want colons in the profile you must add them now to the language file Profile.language.php.