neon,nextcloud,spec_templates: Remove unused dependencies

packages/neon/pubspec.lock

@@ -266,7 +266,7 @@ packages:
     source: hosted
     version: "5.0.2"
   flutter_driver:
-    dependency: "direct dev"
+    dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.0"

packages/neon/pubspec.yaml

@@ -61,8 +61,6 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.1.7
-  flutter_driver:
-    sdk: flutter
   flutter_test:
     sdk: flutter
   integration_test:

packages/nextcloud/pubspec.yaml

@@ -10,7 +10,6 @@ dependencies:
   crypton: ^2.0.5
   intl: ^0.17.0
   json_annotation: ^4.7.0
-  meta: ^1.7.0
   version: ^3.0.2
   xml: ^6.1.0
 

packages/nextcloud_push_proxy/bin/unified_push.dart

@@ -1,7 +1,6 @@
 import 'dart:convert';
 import 'dart:io';
 
-// ignore: depend_on_referenced_packages
 import 'package:crypto/crypto.dart';
 import 'package:nextcloud_push_proxy/nextcloud_push_proxy.dart';
 

packages/nextcloud_push_proxy/pubspec.yaml

@@ -5,11 +5,11 @@ environment:
   sdk: '>=2.18.0 <3.0.0'
 
 dependencies:
+  crypto: ^3.0.2
   shelf: ^1.3.1
   shelf_router: ^1.1.3
 
 dev_dependencies:
-  crypto: ^3.0.2
   nit_picking:
     git:
       url: https://github.com/stack11/dart_nit_picking

packages/spec_templates/pubspec.yaml

@@ -8,12 +8,9 @@ environment:
 dependencies: 
   path: ^1.8.1
   xml: ^6.1.0
-  yaml: ^3.1.0
-
 
 dev_dependencies:
   nit_picking:
     git:
       url: https://github.com/stack11/dart_nit_picking
       ref: 9f625eb
-