connection settings cleanup and mock test added. removed bluetooth implementation

app/pubspec.lock

@@ -17,14 +17,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "12.1.0"
-  app_settings:
-    dependency: "direct main"
-    description:
-      name: app_settings
-      sha256: "5e7d6e5b60e90c40b3409d6fb33d1844497be3a2e959935da8b77bc437221db8"
-      url: "https://pub.dev"
-    source: hosted
-    version: "8.0.3"
   archive:
     dependency: transitive
     description:
@@ -326,14 +318,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "9.1.1"
-  flutter_classic_bluetooth:
-    dependency: "direct main"
-    description:
-      name: flutter_classic_bluetooth
-      sha256: "6343b5d0e0bd07fffc72ed7758170c74a1356a04177ca45856d332b58783f909"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.6"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -704,54 +688,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
-  permission_handler:
-    dependency: "direct main"
-    description:
-      name: permission_handler
-      sha256: fe54465bcc62a4564c6e4db337bbaded6c0c0fa6e10487414436d163114784f6
-      url: "https://pub.dev"
-    source: hosted
-    version: "12.0.3"
-  permission_handler_android:
-    dependency: transitive
-    description:
-      name: permission_handler_android
-      sha256: "1e3bc410ca1bf84662104b100eb126e066cb55791b7451307f9708d4007350e6"
-      url: "https://pub.dev"
-    source: hosted
-    version: "13.0.1"
-  permission_handler_apple:
-    dependency: transitive
-    description:
-      name: permission_handler_apple
-      sha256: "79dfa1df734798aa3cfdad166d3a3698c206d8813de13516ea1071b5d7e2f420"
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.4.10"
-  permission_handler_html:
-    dependency: transitive
-    description:
-      name: permission_handler_html
-      sha256: "38f000e83355abb3392140f6bc3030660cfaef189e1f87824facb76300b4ff24"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.3+5"
-  permission_handler_platform_interface:
-    dependency: transitive
-    description:
-      name: permission_handler_platform_interface
-      sha256: eb99b295153abce5d683cac8c02e22faab63e50679b937fa1bf67d58bb282878
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.3.0"
-  permission_handler_windows:
-    dependency: transitive
-    description:
-      name: permission_handler_windows
-      sha256: "1a790728016f79a41216d88672dbc5df30e686e811ad4e698bfc51f76ad91f1e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.2.1"
   petitparser:
     dependency: transitive
     description: