bug #31338 Revert "bug #30620 [FrameworkBundle][HttpFoundation] make session service resettable (dmaicher)" (nicolas-grekas)

This PR was merged into the 3.4 branch.

Discussion
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Revert "bug #30620 [FrameworkBundle][HttpFoundation] make session service resettable (dmaicher)"

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This reverts commit 029fb2e7e36b7cdf29e27d4bfa54dd11adc5d457, reversing
changes made to 9dad29d61c5605b589493efe34012fdb1218b92b.

Reverts #30620
Replaces #31215

We don't need to solve this in 3.4
Making the session resettable should be done on master, by implementing `ResetInterface`.
On 3.4 apps, one should write a dedicated `SessionResetter` that would implement the reverted logic.

Commits
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4177331915 Revert "bug #30620 [FrameworkBundle][HttpFoundation] make session service resettable (dmaicher)"

Author: fabpot

Resources/config/session.xml

@@ -15,7 +15,6 @@
             <argument type="service" id="session.storage" />
             <argument type="service" id="session.attribute_bag" />
             <argument type="service" id="session.flash_bag" />
-            <tag name="kernel.reset" method="save" />
         </service>
 
         <service id="Symfony\Component\HttpFoundation\Session\SessionInterface" alias="session" />

composer.json

@@ -23,7 +23,7 @@
         "symfony/dependency-injection": "^3.4.24|^4.2.5",
         "symfony/config": "~3.4|~4.0",
         "symfony/event-dispatcher": "~3.4|~4.0",
-        "symfony/http-foundation": "^3.4.24|^4.2.5",
+        "symfony/http-foundation": "^3.3.11|~4.0",
         "symfony/http-kernel": "~3.4|~4.0",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/filesystem": "~2.8|~3.0|~4.0",