minor symfony#16441 [Security][2.7] Clean deps (nicolas-grekas)

This PR was merged into the 2.7 branch.

Discussion
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[Security][2.7] Clean deps

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

Commits
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d51ab88 [Security][2.7] Clean deps

Author: nicolas-grekas

src/Symfony/Component/Security/Core/composer.json

@@ -22,8 +22,7 @@
         "symfony/event-dispatcher": "~2.1",
         "symfony/expression-language": "~2.6",
         "symfony/http-foundation": "~2.4",
-        "symfony/translation": "~2.0,>=2.0.5",
-        "symfony/validator": "~2.5,>=2.5.5",
+        "symfony/validator": "~2.5,>=2.5.9",
         "psr/log": "~1.0",
         "ircmaxell/password-compat": "1.0.*"
     },

src/Symfony/Component/Security/composer.json

@@ -31,8 +31,7 @@
         "symfony/finder": "~2.3",
         "symfony/intl": "~2.3",
         "symfony/routing": "~2.2",
-        "symfony/translation": "~2.0,>=2.0.5",
-        "symfony/validator": "~2.5,>=2.5.5",
+        "symfony/validator": "~2.5,>=2.5.9",
         "doctrine/common": "~2.2",
         "doctrine/dbal": "~2.2",
         "psr/log": "~1.0",