Revert "Update main.yml"

This reverts commit df40d48.

Author: mtshiba

.github/workflows/main.yml

@@ -93,48 +93,3 @@ jobs:
         run: |
           cargo login ${{ secrets.CARGO_TOKEN }}
           ./cargo_publish.sh
-
-  create-nightly-release:
-    if: contains(github.event.head_commit.message, 'update version (nightly')
-    runs-on: ubuntu-latest
-    steps:
-      - id: generate-version
-        run: echo "version=v$(cargo read-manifest | jq -r .version)" >> $GITHUB_OUTPUT
-      - uses: actions/checkout@v3
-      - uses: taiki-e/create-gh-release-action@v1
-        with:
-          title: ${{ steps.generate-version.outputs.version }}
-          token: ${{ secrets.GITHUB_TOKEN }}
-
-  upload-nightly-artifacts:
-    needs: create-nightly-release
-    if: contains(github.event.head_commit.message, 'update version (nightly')
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - target: armv7-unknown-linux-gnueabihf
-            os: ubuntu-latest
-          - target: aarch64-unknown-linux-gnu
-            os: ubuntu-latest
-          - target: aarch64-apple-darwin
-            os: macos-latest
-          - target: x86_64-unknown-linux-gnu
-            os: ubuntu-latest
-          - target: x86_64-apple-darwin
-            os: macos-latest
-          - target: x86_64-pc-windows-msvc
-            os: windows-latest
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: update-rustup
-        run: rustup update stable
-      - uses: taiki-e/upload-rust-binary-action@v1
-        with:
-          bin: erg
-          target: ${{ matrix.target }}
-          include: crates/erg_compiler/lib
-          features: full
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}