Revert "add protobuf to install setup"

This reverts commit 4923ce5.

.github/workflows/publish.yml

@@ -31,19 +31,6 @@ jobs:
         with:
           python-version: "3.11"
 
-      - name: Install system dependencies (Ubuntu)
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y protobuf-compiler
-        shell: bash
-
-      - name: Install system dependencies (macOS)
-        if: matrix.os == 'macos-latest'
-        run: |
-          brew install protobuf
-        shell: bash
-
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -53,12 +40,6 @@ jobs:
       - name: Build package
         env:
           CIBW_SKIP: "pp* *-musllinux*"  # Skip PyPy and musllinux builds
-          CIBW_BEFORE_BUILD: >
-            if [ "$(uname)" = "Darwin" ]; then
-              brew install protobuf;
-            else
-              yum install -y protobuf-compiler || apt-get install -y protobuf-compiler;
-            fi
         run: |
           cibuildwheel --output-dir dist
 
@@ -83,12 +64,6 @@ jobs:
         with:
           python-version: "3.11"
 
-      - name: Install system dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y protobuf-compiler
-        shell: bash
-
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip