Suppress comments from BenchmarkCI (#741)

Author: tkf

.github/workflows/benchmark.yml

@@ -15,7 +15,5 @@ jobs:
         run: julia -e 'using Pkg; pkg"add PkgBenchmark [email protected]"'
       - name: Run benchmarks
         run: julia -e 'using BenchmarkCI; BenchmarkCI.judge()'
-      - name: Post results
-        run: julia -e 'using BenchmarkCI; BenchmarkCI.postjudge()'
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Print judgement
+        run: julia -e 'using BenchmarkCI; BenchmarkCI.displayjudgement()'