Update .config/s3.config.php - don't set defaults for new s3 values

Signed-off-by: Jesse Hitch <jessebot@linux.com>

.config/s3.config.php

@@ -20,13 +20,13 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
         'use_path_style' => $use_path == true && strtolower($use_path) !== 'false',
         // required for older protocol versions
         'legacy_auth' => $use_legacyauth == true && strtolower($use_legacyauth) !== 'false',
-        'concurrency' => getenv('OBJECTSTORE_S3_CONCURRENCY') ?: 5,
-        'proxy' => getenv('OBJECTSTORE_S3_PROXY') ?: false,
-        'timeout' => getenv('OBJECTSTORE_S3_TIMEOUT') ?: 15,
-        'uploadPartSize' => getenv('OBJECTSTORE_S3_UPLOADPARTSIZE') ?: 524288000,
-        'putSizeLimit' => getenv('OBJECTSTORE_S3_PUTSIZELIMIT') ?: 104857600,
-        'version' => getenv('OBJECTSTORE_S3_VERSION') ?: "latest",
-        'verify_bucket_exists' => getenv('OBJECTSTORE_S3_VERIFY_BUCKET_EXISTS') ?: true
+        'concurrency' => getenv('OBJECTSTORE_S3_CONCURRENCY') ?: '',
+        'proxy' => getenv('OBJECTSTORE_S3_PROXY') ?: '',
+        'timeout' => getenv('OBJECTSTORE_S3_TIMEOUT') ?: '',
+        'uploadPartSize' => getenv('OBJECTSTORE_S3_UPLOADPARTSIZE') ?:'',
+        'putSizeLimit' => getenv('OBJECTSTORE_S3_PUTSIZELIMIT') ?: '',
+        'version' => getenv('OBJECTSTORE_S3_VERSION') ?: '',
+        'verify_bucket_exists' => getenv('OBJECTSTORE_S3_VERIFY_BUCKET_EXISTS') ?: ''
       )
     )
   );