check_remove_custom_profile_field_value: Fix type.
check_remove_custom_profile_field_value: Fix type.

Signed-off-by: Anders Kaseorg <dfdb7392591db597bc41cf266a9c3bc12a2706e5@zulip.com>

timabbott/zulip,zulip/zulip,punchagan/zulip,brainwane/zulip,synicalsyntax/zulip,andersk/zulip,brainwane/zulip,kou/zulip,timabbott/zulip,punchagan/zulip,rht/zulip,kou/zulip,zulip/zulip,brainwane/zulip,zulip/zulip,hackerkid/zulip,eeshangarg/zulip,andersk/zulip,rht/zulip,showell/zulip,zulip/zulip,hackerkid/zulip,synicalsyntax/zulip,brainwane/zulip,timabbott/zulip,eeshangarg/zulip,showell/zulip,hackerkid/zulip,kou/zulip,eeshangarg/zulip,punchagan/zulip,zulip/zulip,rht/zulip,timabbott/zulip,eeshangarg/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,timabbott/zulip,punchagan/zulip,eeshangarg/zulip,andersk/zulip,synicalsyntax/zulip,punchagan/zulip,synicalsyntax/zulip,timabbott/zulip,eeshangarg/zulip,rht/zulip,showell/zulip,showell/zulip,rht/zulip,brainwane/zulip,brainwane/zulip,andersk/zulip,hackerkid/zulip,kou/zulip,showell/zulip,andersk/zulip,brainwane/zulip,andersk/zulip,zulip/zulip,andersk/zulip,hackerkid/zulip,eeshangarg/zulip,synicalsyntax/zulip,rht/zulip,showell/zulip,synicalsyntax/zulip,timabbott/zulip,kou/zulip,synicalsyntax/zulip,kou/zulip,hackerkid/zulip,kou/zulip,zulip/zulip,rht/zulip,hackerkid/zulip