You can predefine, disable or remove several options on the user preferences page using the following parameters in your wiki config:

user_checkbox_defaults

dict

Sets the default settings of the user preferences checkboxes. Example: user_checkbox_defaults = {'edit_on_doubleclick': 0}

user_checkbox_disable

[]

a list of checkbox names to be disabled in the user preferences. A disabled checkbox is displayed greyedout and uses the default value set in user_checkbox_defaults.

user_checkbox_fields

[...]

list of checkbox items.

user_checkbox_remove

[]

a list of checkbox names to be removed from the user preferences. A removed checkbox uses the default value set in user_checkbox_defaults.

user_form_defaults

[]

a list of form defaults for user preferences.

user_form_disable

[]

a list of form field names to be disabled in the user preferences. A disabled field is displayed greyed out and uses the default value set in user_form_defaults.

user_form_fields

[...]

list of user preferences form items.

user_form_remove

[]

a list of form field names to be removed from user preferences. A removed form field uses the default value set in user_form_defaults.

The possible keys / clear text explanations are found in MoinMoin/config/multiconfig.py:

mailto_author

Publish my email (not my wiki homepage) in author info

edit_on_doubleclick

Open editor on double click

remember_last_visit

After login, jump to last visited page

show_comments

Show comment sections

show_nonexist_qm

Show question mark for non-existing pagelinks

show_page_trail

Show page trail

show_toolbar

Show icon toolbar

show_topbottom

Show top/bottom links in headings

show_fancy_diff

Show fancy diffs

wikiname_add_spaces

Add spaces to displayed wiki names

remember_me

Remember login information

want_trivial

Subscribe to trivial changes

disabled

Disable this account forever

So you could do, for example:

user_checkbox_remove = ['edit_on_doubleclick', 'show_nonexist_qm', 'show_toolbar', 'show_topbottom', 'show_fancy_diff', 'wikiname_add_spaces', 'remember_me', 'disabled',]

user_form_remove = ['password', 'password2', 'css_url', 'logout', 'create', 'account_sendmail', 'aliasname',]