Removing v1 & v2 references in the contribution guidances

.github/PULL_REQUEST_TEMPLATE.md

@@ -17,7 +17,7 @@ fixes #X, mentioned in #Y
 *You can delete this section when you are submitting the pull request.* 
 
 * Please update this PR information accordingly. We'll use this as part of our release notes in monthly communications.
-* Please target your PR to "version-3" branch for v3 changes, "version-2" branch for v2 changes and "version-1" branch for v1 changes
+* Please target your PR to "version-3" branch for v3 changes
 * Please ensure you have updated any associated docs files based on your code changes
 * Please ensure you have updated/added tests to cover your change.
   * If you are fixing a bug include a test that would have caught the bug you are fixing

CONTRIBUTING.md

@@ -6,22 +6,4 @@
   * If you are fixing a bug, include a test that would have caught the bug you are fixing
 * Ensure tslint checks pass by typing `npm run lint`
 * Keep your PRs as simple as possible and describe the changes to help the reviewer understand your work
-* If you have an idea for a larger change to the library please [open an issue](https://github.com/pnp/pnpjs/issues) and let's discuss before you invest many hours - these are very welcome but want to ensure it is something we can merge before you spend the time :)
-
-## Contributing Guidance - v2
-
-* Target your pull requests to the **version-2** branch
-* Add/Update any docs articles related to your changes
-* Include a test for any new functionality and ensure all existing tests are passing by running `npm test`
-  * If you are fixing a bug, include a test that would have caught the bug you are fixing
-* Ensure tslint checks pass by typing `npm run lint`
-* Keep your PRs as simple as possible and describe the changes to help the reviewer understand your work
-* If you have an idea for a larger change to the library please [open an issue](https://github.com/pnp/pnpjs/issues) and let's discuss before you invest many hours - these are very welcome but want to ensure it is something we can merge before you spend the time :)
-
-
-## Contributing Guidance - v1
-
-* Target your pull requests to the **version-1** branch
-* Ensure tslint checks pass by typing `gulp lint`
-* Keep your PRs as simple as possible and describe the changes to help the reviewer understand your work
 * If you have an idea for a larger change to the library please [open an issue](https://github.com/pnp/pnpjs/issues) and let's discuss before you invest many hours - these are very welcome but want to ensure it is something we can merge before you spend the time :)