Validaiton: Remove superfluous paragraph

Author: awwright

jsonschema-validation.xml

@@ -93,11 +93,6 @@
                 "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
                 interpreted as described in <xref target="RFC2119">RFC 2119</xref>.
             </t>
-            <t>
-                This specification uses the term "container instance" to refer to both array and
-                object instances. It uses the term "children instances" to refer to array elements
-                or object member values.
-            </t>
             <t>
                 Elements in an array value are said to be unique if no two elements of this array
                 are <xref target="json-schema">equal</xref>.