Revert "Update plugin platforms"

This reverts commit 78b574cf.

 # Changelog
 
+## 2.1.8
+
+- Revert "Update plugin platforms" (Flutter 1.9.1)
+
 ## 2.1.7
 
 - Add iOS Direct Print

@@ -4,7 +4,7 @@ description: Plugin that allows Flutter apps to generate and print documents to
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 2.1.7
+version: 2.1.8
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
@@ -25,9 +25,5 @@ dependency_overrides:
 
 flutter:
   plugin:
-    platforms:
-      android:
-        package: net.nfet.flutter.printing
-        pluginClass: PrintingPlugin
-      ios:
-        pluginClass: PrintingPlugin
+    androidPackage: net.nfet.flutter.printing
+    pluginClass: PrintingPlugin