Remove unused dotenv import (#160)

* Remove dotenv import from config.ts

* Add changeset

Author: kouak

.changeset/many-rice-chew.md

@@ -0,0 +1,5 @@
+---
+'@dgac/nmb2b-client': patch
+---
+
+Remove unused dotenv/config import from config.ts

src/config.ts

@@ -1,4 +1,3 @@
-import 'dotenv/config';
 import type { Security } from './security';
 import { isValidSecurity } from './security';
 import type { B2BFlavour } from './constants';