minor #19295 Remove semicolon marking previous end of statement (adrolter)

This PR was submitted for the 7.0 branch but it was merged into the 6.3 branch instead.

Discussion
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Remove semicolon marking previous end of statement

It looks like another example was added at some point without removing the existing semicolon, causing a syntax error in the example.

Commits
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734bd6b Remove semicolon marking previous end of statement

Author: OskarStark

configuration.rst

@@ -263,7 +263,7 @@ reusable configuration value. By convention, parameters are defined under the
 
                 // PHP constants as parameter values
                 ->set('app.some_constant', GLOBAL_CONSTANT)
-                ->set('app.another_constant', BlogPost::MAX_ITEMS);
+                ->set('app.another_constant', BlogPost::MAX_ITEMS)
 
                 // Enum case as parameter values
                 ->set('app.some_enum', PostState::Published);