Remove exceptions file from composer.json in email editor package

[MAILPOET-6469]

mailpoet/composer.lock

@@ -73,7 +73,7 @@
             "dist": {
                 "type": "path",
                 "url": "../packages/php/email-editor",
-                "reference": "7bb0a4d32045c61deaca453030ed2b345ee56148"
+                "reference": "53577c5aa3a97e82c58284d48c3aa339cb2a15d4"
             },
             "require": {
                 "php": ">=7.4",
@@ -83,9 +83,6 @@
             "autoload": {
                 "classmap": [
                     "src/"
-                ],
-                "files": [
-                    "src/exceptions.php"
                 ]
             },
             "autoload-dev": {

packages/php/email-editor/composer.json

@@ -5,10 +5,7 @@
   "autoload": {
     "classmap": [
       "src/"
-    ],
-		"files": [
-			"src/exceptions.php"
-		]
+    ]
   },
   "autoload-dev": {
     "classmap": [
@@ -29,7 +26,7 @@
     "unit-test": "../../../tests_env/vendor/bin/codecept run unit",
     "integration-test": "cd ../../../tests_env/docker && COMPOSE_HTTP_TIMEOUT=200 docker compose run -e SKIP_DEPS=1 -e SKIP_PLUGINS=1 -e PACKAGE_NAME=email-editor codeception_integration",
     "code-style": "../../../mailpoet/tasks/code_sniffer/vendor/bin/phpcs -ps",
-		"code-style-fix": "../../../mailpoet/tasks/code_sniffer/vendor/bin/phpcbf -p",
-		"phpstan": "php ./tasks/run-phpstan.php"
+    "code-style-fix": "../../../mailpoet/tasks/code_sniffer/vendor/bin/phpcbf -p",
+    "phpstan": "php ./tasks/run-phpstan.php"
   }
 }