Don't check for page location in integration tests

[php-coder]

Follow-up to #900: we also have Location Should Be keyword that should be checked/removed where possible:

$ git grep 'Location Should Be'                                                                                                                                      16:16
src/test/robotframework/account/activation/logic.robot: Location Should Be      ${SITE_URL}/account/auth
src/test/robotframework/account/activation/logic.robot: Location Should Be      ${SITE_URL}/account/auth
src/test/robotframework/account/authentication/logic.robot:     Location Should Be          ${SITE_URL}/
src/test/robotframework/account/authentication/logic.robot:     Location Should Be        ${SITE_URL}/
src/test/robotframework/account/registration/logic.robot:       Location Should Be      ${SITE_URL}/account/auth
src/test/robotframework/account/registration/logic.robot:       Location Should Be      ${SITE_URL}/account/auth
src/test/robotframework/category/creation/logic.robot:  Location Should Be                ${SITE_URL}/category/cars
src/test/robotframework/category/creation/logic.robot:  Location Should Be      ${SITE_URL}/category/space
src/test/robotframework/country/creation/logic.robot:   Location Should Be                ${SITE_URL}/country/germany
src/test/robotframework/country/creation/logic.robot:   Location Should Be      ${SITE_URL}/country/czechia
src/test/robotframework/participant/creation/logic.robot:       Location Should Be             ${SITE_URL}/
src/test/robotframework/participant/creation/logic.robot:       Location Should Be         ${SITE_URL}/