Temporary remove pr token for hpu benchmark workflow

Author: chuanqi129

.github/workflows/_gaudi_hpu_benchmark.yml

@@ -33,10 +33,6 @@ on:
           type: string
           default: '3.10'
           description: 'The python version to use'
-    secrets:
-      pr-token:
-        description: 'A token used to create a pull request'
-        required: true
 
 # Bash shells do not use ~/.profile or ~/.bashrc so these shells need to be explicitly
 # declared as "shell: bash -el {0}" on steps that need to be properly activated.