remove documenter key in yml

Author: chengchingwen

.github/workflows/TagBot.yml

@@ -12,4 +12,3 @@ jobs:
       - uses: JuliaRegistries/TagBot@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          ssh: ${{ secrets.DOCUMENTER_KEY }}

.github/workflows/ci.yml

@@ -66,4 +66,3 @@ jobs:
         env:
           JULIA_PKG_SERVER: ""
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}