Drop exclude-php:7.3 for PHP CS Fixer (#31)

* Drop exclude-php:7.3 for PHP CS Fixer

* Revert "Disable php-formatter on php 7.3 until php-cs-fixer supports it"

This reverts commit 784913a.

* Revert "Disable easycodingstandard on php 7.3 until php-cs-fixer supports it"

This reverts commit c714603.

* Revert "Disable php-coupling-detector on php 7.3 until php-cs-fixer supports it"

This reverts commit 49bcc51.

* Revert "Run tests on php 7.3"

This reverts commit d7e01c0.

* Update Makefile

Makefile

@@ -39,11 +39,11 @@ test-integration: package
 .PHONY: test-integration
 
 cs: tools/php-cs-fixer
-	PHP_CS_FIXER_IGNORE_ENV=1 tools/php-cs-fixer --dry-run --allow-risky=yes --no-interaction --ansi fix
+	tools/php-cs-fixer --dry-run --allow-risky=yes --no-interaction --ansi fix
 .PHONY: cs
 
 cs-fix: tools/php-cs-fixer
-	PHP_CS_FIXER_IGNORE_ENV=1 tools/php-cs-fixer --allow-risky=yes --no-interaction --ansi fix
+	tools/php-cs-fixer --allow-risky=yes --no-interaction --ansi fix
 .PHONY: cs-fix
 
 deptrac: tools/deptrac

resources/tools.json

@@ -110,8 +110,7 @@
           "target-dir": "%target-dir%/EasyCodingStandard"
         }
       },
-      "test": "ecs -h",
-      "tags": ["exclude-php:7.3"]
+      "test": "ecs -h"
     },
     {
       "name": "infection",
@@ -179,8 +178,7 @@
           "namespace": "php-coupling-detector"
         }
       },
-      "test": "php-coupling-detector list",
-      "tags": ["exclude-php:7.3"]
+      "test": "php-coupling-detector list"
     },
     {
       "name": "php-cs-fixer",
@@ -193,7 +191,7 @@
         }
       },
       "test": "php-cs-fixer list",
-      "tags": ["featured", "exclude-php:7.3"]
+      "tags": ["featured"]
     },
     {
       "name": "php-formatter",
@@ -207,8 +205,7 @@
           "version": "1fa3d9a3e1c67654f3fe2511bd28fa7c33b59d7e"
         }
       },
-      "test": "php-formatter list",
-      "tags": ["exclude-php:7.3"]
+      "test": "php-formatter list"
     },
     {
       "name": "php-semver-checker",