Remove dotnet restore calls from CI checks

pr-checks/checks/debug-artifacts.yml

@@ -2,8 +2,6 @@ name: "Debug artifact upload"
 description: "Checks that debugging artifacts are correctly uploaded"
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       tools: ${{ steps.prepare-test.outputs.tools-url }}

pr-checks/checks/go-custom-queries.yml

@@ -1,8 +1,6 @@
 name: "Go: Custom queries"
 description: "Checks that Go works in conjunction with a config file specifying custom queries"
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: actions/setup-go@v2
     with:
       go-version: "^1.13.1"

pr-checks/checks/multi-language-autodetect.yml

@@ -2,8 +2,6 @@ name: "Multi-language repository"
 description: "An end-to-end integration test of a multi-language repository using automatic language detection"
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       db-location: "${{ runner.temp }}/customDbLocation"

pr-checks/checks/packaging-config-inputs-js.yml

@@ -3,8 +3,6 @@ description: "Checks that specifying packages using a combination of a config fi
 versions: ["nightly-20210831"] # This CLI version is known to work with package used in this test
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       config-file: ".github/codeql/codeql-config-packaging3.yml"

pr-checks/checks/packaging-config-js.yml

@@ -3,8 +3,6 @@ description: "Checks that specifying packages using only a config file works"
 versions: ["nightly-20210831"] # This CLI version is known to work with package used in this test
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       config-file: ".github/codeql/codeql-config-packaging.yml"

pr-checks/checks/packaging-inputs-js.yml

@@ -3,8 +3,6 @@ description: "Checks that specifying packages using the input to the Action work
 versions: ["nightly-20210831"] # This CLI version is known to work with package used in this test
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       config-file: ".github/codeql/codeql-config-packaging2.yml"

pr-checks/checks/remote-config.yml

@@ -1,8 +1,6 @@
 name: "Remote config file"
 description: "Checks that specifying packages using only a config file works"
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       tools: ${{ steps.prepare-test.outputs.tools-url }}

pr-checks/checks/split-workflow.yml

@@ -3,8 +3,6 @@ description: "Tests a split-up workflow in which we first build a database and l
 versions: ["nightly-20210831"] # This CLI version is known to work with package used in this test
 os: ["ubuntu-latest", "macos-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       config-file: ".github/codeql/codeql-config-packaging3.yml"

pr-checks/checks/test-local-codeql.yml

@@ -3,8 +3,6 @@ description: "Tests using a CodeQL bundle from a local file rather than a URL"
 versions: ["nightly-latest"]
 os: ["ubuntu-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - name: Fetch a CodeQL bundle
     shell: bash
     env:

pr-checks/checks/unset-environment.yml

@@ -2,8 +2,6 @@ name: "Test unsetting environment variables"
 description: "An end-to-end integration test that unsets some environment variables"
 os: ["ubuntu-latest"]
 steps:
-  - name: Initialize dotnet
-    run: dotnet restore
   - uses: ./../action/init
     with:
       db-location: "${{ runner.temp }}/customDbLocation"