remove default from input, dont set

Author: gnarargs

.github/workflows/build.yml

@@ -9,5 +9,3 @@ jobs:
         uses: actions/checkout@v4
       - name: Print hello world
         uses: ./
-        with:
-          who-to-greet: 'Hunter'

action.yml

@@ -4,7 +4,6 @@ inputs:
   who-to-greet:
     description: 'Who to greet'
     required: true
-    default: 'World'
 outputs:
   time:
     description: 'The time you were greeted'