Delete manually crafted section summary for the SpEL Language Reference

Closes spring-projectsgh-31776

framework-docs/modules/ROOT/pages/core/expressions/language-ref.adoc

@@ -2,24 +2,4 @@
 = Language Reference
 :page-section-summary-toc: 1
 
-This section describes how the Spring Expression Language works. It covers the following
-topics:
-
-* xref:core/expressions/language-ref/literal.adoc[Literal Expressions]
-* xref:core/expressions/language-ref/properties-arrays.adoc[Properties, Arrays, Lists, Maps, and Indexers]
-* xref:core/expressions/language-ref/inline-lists.adoc[Inline Lists]
-* xref:core/expressions/language-ref/inline-maps.adoc[Inline Maps]
-* xref:core/expressions/language-ref/array-construction.adoc[Array Construction]
-* xref:core/expressions/language-ref/methods.adoc[Methods]
-* xref:core/expressions/language-ref/operators.adoc[Operators]
-* xref:core/expressions/language-ref/types.adoc[Types]
-* xref:core/expressions/language-ref/constructors.adoc[Constructors]
-* xref:core/expressions/language-ref/variables.adoc[Variables]
-* xref:core/expressions/language-ref/functions.adoc[User-Defined Functions]
-* xref:core/expressions/language-ref/bean-references.adoc[Bean References]
-* xref:core/expressions/language-ref/operator-ternary.adoc[Ternary Operator (If-Then-Else)]
-* xref:core/expressions/language-ref/operator-elvis.adoc[The Elvis Operator]
-* xref:core/expressions/language-ref/operator-safe-navigation.adoc[Safe Navigation Operator]
-
-
-
+This section describes how the Spring Expression Language works.