Remove contact from position page and update test fixtures

...ativeListTest.test_page1_paginateby12_displaylist/content

...st.test_page1_paginateby12_displaylist_searchjoly/content

...ativeListTest.test_page1_paginateby24_displaygrid/content

...ativeListTest.test_page2_paginateby12_displaylist/content

...ativeListTest.test_page2_paginateby24_displaylist/content

memopol/tests/test_representatives_detail.py

templates/representatives/_representative_block.haml

templates/representatives/_representative_contact.haml

templates/representatives/representative_detail.haml