ci: remove i686 windows target

.github/workflows/windows.yml

@@ -41,12 +41,6 @@ jobs:
           rustup target add ${{ matrix.target }}
         shell: powershell
 
-      - name: Add mingw32 to path for i686-gnu
-        run: |
-          echo "C:\msys64\mingw32\bin" >> $GITHUB_PATH
-        if: matrix.target == 'i686-pc-windows-gnu' && matrix.channel == 'nightly'
-        shell: bash
-
       - name: Add mingw64 to path for x86_64-gnu
         run: echo "C:\msys64\mingw64\bin" >> $GITHUB_PATH
         if: matrix.target == 'x86_64-pc-windows-gnu' && matrix.channel == 'nightly'