Fix wrongly backported reference.

Closes #1861

Author: schauder

src/main/antora/modules/ROOT/nav.adoc

@@ -11,7 +11,6 @@
 ** xref:commons/custom-conversions.adoc[]
 ** xref:repositories/custom-implementations.adoc[]
 ** xref:repositories/core-extensions.adoc[]
-** xref:value-expressions.adoc[]
 ** xref:query-by-example.adoc[]
 ** xref:repositories/core-domain-events.adoc[]
 ** xref:commons/entity-callbacks.adoc[]

src/main/antora/modules/ROOT/pages/value-expressions.adoc

@@ -23,9 +23,6 @@ class MyEntity {
 }
 ----
 
-You may use xref:value-expressions.adoc[Spring Data's SpEL support] to dynamically create the table name.
-Once generated the table name will be cached, so it is dynamic per mapping context only.
-
 [[entity-persistence.custom-column-name]]
 == Override column names
 
@@ -85,10 +82,6 @@ class MySubEntity {
 ----
 endif::[]
 
-You may use xref:value-expressions.adoc[Spring Data's SpEL support] to dynamically create column names.
-Once generated the names will be cached, so it is dynamic per mapping context only.
-
-
 ifdef::embedded-entities[]
 
 [[entity-persistence.embedded-entities]]