minor #39246 [HttpFoundation] Throws cleanup (kick-the-bucket)

This PR was merged into the 4.4 branch.

Discussion
----------

[HttpFoundation] Throws cleanup

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       |
| License       | MIT
| Doc PR        |

The actual throw statements have been removed years ago, but the annotations stayed.
Such annotations fool static analysis tools to trigger false positives for unhandled exceptions.

Commits
-------

8b9b62048c Remove unused @throws tags and handling of never thrown exceptions

src/Symfony/Component/HttpFoundation/JsonResponse.php

@@ -133,8 +133,6 @@ class JsonResponse extends Response
      * @param string $json
      *
      * @return $this
-     *
-     * @throws \InvalidArgumentException
      */
     public function setJson($json)
     {

src/Symfony/Component/HttpFoundation/Request.php

@@ -504,15 +504,7 @@ class Request
      */
     public function __toString()
     {
-        try {
+        $content = $this->getContent();
-            $content = $this->getContent();
-        } catch (\LogicException $e) {
-            if (\PHP_VERSION_ID >= 70400) {
-                throw $e;
-            }
-
-            return trigger_error($e, \E_USER_ERROR);
-        }
 
         $cookieHeader = '';
         $cookies = [];
@@ -577,8 +569,6 @@ class Request
      *
      * @param array $proxies          A list of trusted proxies, the string 'REMOTE_ADDR' will be replaced with $_SERVER['REMOTE_ADDR']
      * @param int   $trustedHeaderSet A bit field of Request::HEADER_*, to set which headers to trust from your proxies
-     *
-     * @throws \InvalidArgumentException When $trustedHeaderSet is invalid
      */
     public static function setTrustedProxies(array $proxies, int $trustedHeaderSet)
     {
@@ -1527,8 +1517,6 @@ class Request
      * @param bool $asResource If true, a resource will be returned
      *
      * @return string|resource The request body content or a resource to read the body stream
-     *
-     * @throws \LogicException
      */
     public function getContent($asResource = false)
     {

src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php

@@ -53,12 +53,7 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
             }
         }
 
-        try {
+        $content = $request->getContent();
-            $content = $request->getContent();
-        } catch (\LogicException $e) {
-            // the user already got the request content as a resource
-            $content = false;
-        }
 
         $sessionMetadata = [];
         $sessionAttributes = [];