MAGETWO-67048: Cannot add translate attribute into the di.xml

Author: nmalevanec

lib/internal/Magento/Framework/Data/etc/argument/types.xsd

@@ -36,7 +36,6 @@
         <xs:complexContent>
             <xs:extension base="argumentType">
                 <xs:attribute name="translate" use="optional" type="xs:boolean"/>
-                <xs:attribute name="translatable" use="optional" type="xs:boolean"/>
             </xs:extension>
         </xs:complexContent>
     </xs:complexType>

lib/internal/Magento/Framework/ObjectManager/etc/config.xsd

@@ -11,10 +11,10 @@
 
     <xs:redefine schemaLocation="urn:magento:framework:Data/etc/argument/types.xsd">
         <xs:complexType name="string">
-            <xs:complexContent mixed="true">
-                <xs:restriction base="string">
-                    <xs:attribute name="translate" use="prohibited"/>
-                </xs:restriction>
+            <xs:complexContent>
+                <xs:extension base="argumentType">
+                    <xs:attribute name="translatable" use="optional" type="xs:boolean" />
+                </xs:extension>
             </xs:complexContent>
         </xs:complexType>
         <xs:complexType name="argumentType" abstract="true" mixed="false">

lib/internal/Magento/Framework/View/Layout/etc/elements.xsd

@@ -8,13 +8,6 @@
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
     <!-- Redefine section -->
     <xs:redefine schemaLocation="urn:magento:framework:Data/etc/argument/types.xsd">
-        <xs:complexType name="string">
-            <xs:complexContent mixed="true">
-                <xs:restriction base="string">
-                    <xs:attribute name="translatable" use="prohibited"/>
-                </xs:restriction>
-            </xs:complexContent>
-        </xs:complexType>
         <xs:complexType name="argumentType" abstract="true" mixed="true">
             <xs:complexContent>
                 <xs:extension base="argumentType">