Remove k6 version argument from the readme examples

Author: DefCon-007

README.md

@@ -50,8 +50,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: grafana/setup-k6-action@v1
-        with:
-          k6-version: "0.49.0"
       - uses: grafana/run-k6-action@v1
         with:
           path: |
@@ -72,8 +70,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: grafana/setup-k6-action@v1
-        with:
-          k6-version: "0.49.0"
       - uses: grafana/run-k6-action@v1
         env:
           K6_CLOUD_TOKEN: ${{ secrets.K6_CLOUD_TOKEN }}
@@ -108,8 +104,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: grafana/setup-k6-action@v1
-        with:
-          k6-version: "0.49.0"
           browser: true
       - uses: grafana/run-k6-action@v1
         with:
@@ -140,4 +134,4 @@ Comment Grafana cloud k6 test URL on PR
     src="./images/pr-comment.png"
     width="600"
     style="pointer-events: none;" />
-</div>
+</div>