Merge pull request #1617 from microsoftgraph/hotfix/master-ref-cleanup

- cleans up remainder master references

Author: baywet

.github/ISSUE_TEMPLATE.md

@@ -12,7 +12,6 @@ Before you open this issue, did you:
 - Search StackOverflow for an answer?
 - Capture the repro steps and gather the information requested in the steps below to reproduce your scenario?
 - Review the samples under github.com/microsoftgraph? They can help for some scenarios.
-- Take a look at the functional tests in this repo? They may have an example for you. See the [functional tests](https://github.com/microsoftgraph/msgraph-sdk-java/tree/master/src/test/java/com/microsoft/graph/functional)
 
 Please provide the following before submitting this issue:
 - Expected behavior. Please provide **links to the specific [Microsoft Graph documentation](https://developer.microsoft.com/en-us/graph/docs/concepts/overview)** you used to determine the expected behavior. 

.github/workflows/conflicting-pr-label.yml

@@ -3,7 +3,7 @@
 name: PullRequestConflicting
 
 # Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the master branch
+# events but only for the main branch
 on:
   workflow_dispatch:
   push:

README.md

@@ -126,7 +126,7 @@ For known issues, see [issues](https://github.com/MicrosoftGraph/msgraph-sdk-jav
 
 ## 5. Contributions
 
-The Microsoft Graph SDK is open for contribution. To contribute to this project, see [Contributing](https://github.com/microsoftgraph/msgraph-sdk-java-core/blob/master/CONTRIBUTING.md).
+The Microsoft Graph SDK is open for contribution. To contribute to this project, see [Contributing](https://github.com/microsoftgraph/msgraph-sdk-java-core/blob/main/CONTRIBUTING.md).
 
 ## 6. Supported Java versions