Remove migrated code and unused dependencies (#55)

The content removed in this PR can be found in the [Ibeji Example Applications Repository](https://github.com/eclipse-ibeji/ibeji-example-applications). Also cleans up unused dependencies in cargo.toml files

.github/workflows/security-audit.yml

@@ -7,7 +7,6 @@ on:
       - "**/Cargo.toml"
       - "**/Cargo.lock"
       - ".github/workflows/security-audit.yaml"
-      - "cloud_connector/**"
   schedule:
     - cron: "0 0 * * *" # once a day at midnight UTC
     # NB: that cron trigger on GH actions runs only on the default branch
@@ -25,41 +24,4 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: audit
-          args: --deny warnings
-
-  security_audit_csharp:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'csharp' ]
-    steps:
-      - name: Checkout repository and submodules
-        uses: actions/checkout@v3
-        with:
-          submodules: recursive
-      - name: Install .NET 6.0.119
-        uses: actions/setup-dotnet@v3
-        with:
-          dotnet-version: 6.0.119
-          global-json-file: cloud_connectors/azure/digital_twins_connector/global.json
-      - name: Cache NuGet dependencies
-        uses: actions/cache@v3
-        with:
-          path: ~/.nuget/packages
-          # Look to see if there is a cache hit for the corresponding requirements file
-          key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-nuget
-      - name: Check .NET version
-        run: dotnet --info
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
-        with:
-          languages: ${{ matrix.language }}
-      - name: Build Digital Twins Connector
-        run: ./cloud_connectors/azure/digital_twins_connector/build.sh
-      - name: Build MQTT Connector's Azure Function
-        run: dotnet build cloud_connectors/azure/mqtt_connector/res/azure_function/src/function.csproj
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+          args: --deny warnings

Cargo.toml

@@ -7,13 +7,9 @@
 resolver = "2"
 members = [
   "build_common",
-  "cloud_adapters/azure_cloud_connector_adapter",
   "cloud_adapters/in_memory_mock_cloud_adapter",
-  "cloud_connectors/azure/mqtt_connector",
-  "cloud_connectors/azure/proto-build",
   "common",
   "contracts",
-  "digital_twin_adapters/ibeji_adapter",
   "digital_twin_adapters/in_memory_mock_digital_twin_adapter",
   "digital_twin_adapters/mock_digital_twin_adapter",
   "freyja",
@@ -29,7 +25,6 @@ members = [
 
 [workspace.dependencies]
 # Freyja dependencies
-azure-cloud-connector-proto = { path = "cloud_connectors/azure/proto-build" }
 freyja-build-common = { path = "build_common" }
 freyja-common = { path = "common" }
 freyja-contracts = { path = "contracts" }
@@ -51,15 +46,12 @@ crossbeam = "0.8.2"
 env_logger = "0.10.0"
 futures = "0.3.28"
 home = "0.5.5"
-httptest = "0.15.4"
 log = "^0.4"
 mockall = "0.11.4"
 paho-mqtt = "0.12"
 proc-macro2 = "1.0.52"
-prost = "0.11.9"
 quote = "1.0.23"
 reqwest = { version = "0.11.4", features = ["json"] }
-rstest = "0.18.1"
 serde = { version = "1.0.88", features = ["derive"] }
 serde_json = "1.0.88"
 strum = "0.25.0"