refactor: remove obsolete scripts

nagios/proxy_idp_auth_test_active_oidc.sh

nagios/proxy_idp_auth_test_active_saml.sh

nagios/proxy_idp_auth_test_config.sh

nagios/proxy_idp_auth_test_oidc.sh

nagios/proxy_idp_auth_test_saml.sh

nagios/proxy_idp_auth_test_script/oidc_auth_test_aai.sh

...s/proxy_idp_auth_test_script/oidc_auth_test_aai_active.sh

nagios/proxy_idp_auth_test_script/oidc_auth_test_cesnet.sh

...roxy_idp_auth_test_script/oidc_auth_test_cesnet_active.sh

nagios/proxy_idp_auth_test_script/oidc_auth_test_muni.sh

.../proxy_idp_auth_test_script/oidc_auth_test_muni_active.sh

nagios/proxy_idp_auth_test_script/saml_auth_test_aai.sh

...s/proxy_idp_auth_test_script/saml_auth_test_aai_active.sh

nagios/proxy_idp_auth_test_script/saml_auth_test_cesnet.sh

...roxy_idp_auth_test_script/saml_auth_test_cesnet_active.sh

nagios/proxy_idp_auth_test_script/saml_auth_test_muni.sh

.../proxy_idp_auth_test_script/saml_auth_test_muni_active.sh