HHH-10325 : Test failure on MySQL and MariaDB because they do not allow casting as float type

hibernate-core/src/test/java/org/hibernate/test/instrument/domain/DocumentsPropAccess.hbm.xml

@@ -59,11 +59,7 @@
     	<many-to-one name="owner" not-null="true" lazy="no-proxy" fetch="select"/>
     	<property name="text" not-null="true" length="2000" lazy="true"/>
     	<property name="lastTextModification" not-null="true" lazy="true" access="field"/>
-    	<property name="sizeKb" lazy="true">
-    		<column name="size_mb"
-    			read="size_mb * 1024.0"
-    			write="? / cast( 1024.0 as float )"/>
-    	</property>
+    	<property name="sizeKb" lazy="true"/>
     </class>
 
     <class name="Entity" table="entity">