Remove schema files; they have been moved to the saml2-lib

composer.lock

lib/SimpleSAML/Utils/XML.php

schemas/oasis-sstc-saml-schema-assertion-1.1.xsd

schemas/oasis-sstc-saml-schema-protocol-1.1.xsd

schemas/saml-schema-assertion-2.0.xsd

schemas/saml-schema-authn-context-2.0.xsd

schemas/saml-schema-authn-context-auth-telephony-2.0.xsd

schemas/saml-schema-authn-context-ip-2.0.xsd

schemas/saml-schema-authn-context-ippword-2.0.xsd

schemas/saml-schema-authn-context-kerberos-2.0.xsd

...mas/saml-schema-authn-context-mobileonefactor-reg-2.0.xsd

...s/saml-schema-authn-context-mobileonefactor-unreg-2.0.xsd

...mas/saml-schema-authn-context-mobiletwofactor-reg-2.0.xsd

...s/saml-schema-authn-context-mobiletwofactor-unreg-2.0.xsd

schemas/saml-schema-authn-context-nomad-telephony-2.0.xsd

schemas/saml-schema-authn-context-personal-telephony-2.0.xsd

schemas/saml-schema-authn-context-pgp-2.0.xsd

schemas/saml-schema-authn-context-ppt-2.0.xsd

schemas/saml-schema-authn-context-pword-2.0.xsd

schemas/saml-schema-authn-context-session-2.0.xsd