Revert "add testType input in e2e reusable workflow"

This reverts commit 937607c.

.github/workflows/run-e2e-tests-reusable-workflow.yml

@@ -129,10 +129,6 @@ on:
         description: 'SLACK_USER env used to send Slack notifications from test code'
         required: false
         type: string  
-      TEST_TYPE:
-        description: 'Type of test to run (benchmark, soak)'
-        required: false
-        type: string
     outputs:
       test_results:
         description: 'Test results from all executed tests'
@@ -178,7 +174,7 @@ on:
         required: false
       # Used in some tests to send slack notifications  
       SLACK_CHANNEL:
-        required: false
+        required: false    
 
 env:
   CHAINLINK_IMAGE: ${{ secrets.QA_AWS_ACCOUNT_NUMBER }}.dkr.ecr.${{ secrets.QA_AWS_REGION }}.amazonaws.com/chainlink
@@ -195,7 +191,6 @@ env:
   SLACK_API_KEY: ${{ secrets.SLACK_API_KEY }}
   SLACK_CHANNEL: ${{ inputs.slack_notification_after_tests_channel_id || inputs.SLACK_CHANNEL || secrets.SLACK_CHANNEL }}
   SLACK_USER: ${{ inputs.SLACK_USER }}
-  TEST_TYPE: ${{ inputs.TEST_TYPE }}
 
 jobs:
   validate-inputs: