[TASK] Remove two unneeded packages from composer.lock

Two packages are defined in composer.lock that are no
dependents of any other package. Remove them:

composer remove symfony/polyfill-php54 gecko-packages/gecko-php-unit

Change-Id: I1051c78b8f7101e3aa07f543df275b2917a6dd44
Resolves: #84952
Releases: master
Reviewed-on: https://review.typo3.org/56897


Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>

composer.lock

@@ -2308,58 +2308,6 @@
             "description": "A tool to automatically fix PHP code style",
             "time": "2018-03-21T17:41:26+00:00"
         },
-        {
-            "name": "gecko-packages/gecko-php-unit",
-            "version": "v3.1.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/GeckoPackages/GeckoPHPUnit.git",
-                "reference": "8b0320158e34c3d85e5133c341d55c4d6ec5e927"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/GeckoPackages/GeckoPHPUnit/zipball/8b0320158e34c3d85e5133c341d55c4d6ec5e927",
-                "reference": "8b0320158e34c3d85e5133c341d55c4d6ec5e927",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.0"
-            },
-            "conflict": {
-                "phpunit/phpunit": "<6.0 || >6.5"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^6.0"
-            },
-            "suggest": {
-                "ext-dom": "When testing with xml.",
-                "ext-libxml": "When testing with xml.",
-                "phpunit/phpunit": "This is an extension for PHPUnit so make sure you have that in some way."
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "GeckoPackages\\PHPUnit\\": "src/PHPUnit"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "Additional PHPUnit asserts and constraints.",
-            "homepage": "https://github.com/GeckoPackages",
-            "keywords": [
-                "extension",
-                "filesystem",
-                "phpunit"
-            ],
-            "time": "2018-02-05T09:18:39+00:00"
-        },
         {
             "name": "mikey179/vfsStream",
             "version": "v1.6.4",
@@ -4150,64 +4098,6 @@
             ],
             "time": "2018-01-18T22:19:33+00:00"
         },
-        {
-            "name": "symfony/polyfill-php54",
-            "version": "v1.3.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-php54.git",
-                "reference": "90e085822963fdcc9d1c5b73deb3d2e5783b16a0"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php54/zipball/90e085822963fdcc9d1c5b73deb3d2e5783b16a0",
-                "reference": "90e085822963fdcc9d1c5b73deb3d2e5783b16a0",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.3-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Php54\\": ""
-                },
-                "files": [
-                    "bootstrap.php"
-                ],
-                "classmap": [
-                    "Resources/stubs"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill backporting some PHP 5.4+ features to lower PHP versions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "time": "2016-11-14T01:06:16+00:00"
-        },
         {
             "name": "symfony/polyfill-php70",
             "version": "v1.7.0",