minor #19530 [ExpressionLanguage] Remove superfluous line (alexandre-daubois)

This PR was merged into the 6.4 branch.

Discussion
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[ExpressionLanguage] Remove superfluous line

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Commits
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aad9c9d [ExpressionLanguage] Remove superfluous line

Author: javiereguiluz

components/expression_language.rst

@@ -14,8 +14,6 @@ Installation
 
 .. include:: /components/require_autoload.rst.inc
 
-How can the Expression Engine Help Me?
-
 .. _how-can-the-expression-engine-help-me:
 
 How can the Expression Language Help Me?