chore: remove manual coveralls execution (#1785)

Now done in GitHub Actions

Author: nschonni

.azure-pipelines-steps.yml

@@ -37,7 +37,3 @@ steps:
     testRunTitle: $(os_name) Node $(node_version) Browser tests
   displayName: 'Publishing the browser test results'
   condition: variables.run_browser_tests
-
-- bash: npm run coveralls
-  displayName: 'Run coveralls'
-  condition: variables.run_coveralls

.azure-pipelines.yml

@@ -13,7 +13,6 @@ jobs:
         node_version: 12.x
         # run_browser_tests: true
         # browser_name: Edge
-        # run_coveralls: true
 
   steps:
   - template: .azure-pipelines-steps.yml
@@ -36,7 +35,6 @@ jobs:
         DISPLAY: :99.0
         run_browser_tests: true
         browser_name: Firefox
-        run_coveralls: true
 
   steps:
   - script: |
@@ -63,4 +61,4 @@ jobs:
 #
 #  steps:
 #  - template: .azure-pipelines-steps.yml
-#
+#