minor #13232 Remove colon (OskarStark)

This PR was submitted for the master branch but it was merged into the 3.4 branch instead (closes #13232).

Discussion
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Remove colon

Before:
<img width="812" alt="Screenshot 2020-02-24 08 00 55" src="https://user-images.githubusercontent.com/995707/75133744-2adad600-56dc-11ea-9a7b-a9e354ec3fc5.png">

Commits
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4b16e1b Remove colon

Author: javiereguiluz

components/http_foundation.rst

@@ -398,17 +398,17 @@ Managing the HTTP Cache
 The :class:`Symfony\\Component\\HttpFoundation\\Response` class has a rich set
 of methods to manipulate the HTTP headers related to the cache:
 
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setPublic`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setPrivate`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::expire`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setExpires`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setMaxAge`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setSharedMaxAge`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setTtl`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setClientTtl`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setLastModified`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setEtag`;
-* :method:`Symfony\\Component\\HttpFoundation\\Response::setVary`;
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setPublic`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setPrivate`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::expire`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setExpires`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setMaxAge`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setSharedMaxAge`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setTtl`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setClientTtl`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setLastModified`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setEtag`
+* :method:`Symfony\\Component\\HttpFoundation\\Response::setVary`
 
 The :method:`Symfony\\Component\\HttpFoundation\\Response::setCache` method
 can be used to set the most commonly used cache information in one method