remove to prepare for subtree

Signed-off-by: Denis Bykhov <bykhov.denis@gmail.com>

foundations/stream/.github/workflows/main.yaml

@@ -1,71 +0,0 @@
----
-name: ci
-
-on:
-  push:
-    branches:
-      - main
-      - develop
-  pull_request:
-
-concurrency:
-  group: 'main'
-  cancel-in-progress: true
-
-jobs:
-  yamllint:
-    name: yamllint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v4
-      - name: yaml-lint
-        uses: ibiqlik/action-yamllint@v1
-        with:
-          config_file: .github/yamllint.yaml
-          strict: true
-  build-and-test:
-    strategy:
-      matrix:
-        os:
-          - ubuntu
-    runs-on: ${{ matrix.os }}-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v4
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: 1.24.1
-      - name: Build
-        run: go build -race  ./...
-      - name: Test
-        run: go test -race ./...
-  checkgomod:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: 1.24.1
-      - run: go mod tidy
-      - name: Check for changes in go.mod or go.sum
-        run: |
-          git diff --name-only --exit-code go.mod || ( echo "Run go mod tidy" && false )
-  golangci-lint:
-    name: golangci-lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: 1.24.4
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
-        with:
-          version: v2.5.0
-          args: --timeout 3m --verbose