Remove dev on github workflows (mosaicml#3536)

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,13 +16,13 @@ Example:
 -->
 
 # Before submitting
-- [ ] Have you read the [contributor guidelines](https://github.com/mosaicml/composer/blob/dev/CONTRIBUTING.md)?
+- [ ] Have you read the [contributor guidelines](https://github.com/mosaicml/composer/blob/main/CONTRIBUTING.md)?
 - [ ] Is this change a documentation change or typo fix? If so, skip the rest of this checklist.
 - [ ] Was this change discussed/approved in a GitHub issue first? It is much more likely to be merged if so.
 - [ ] Did you update any related docs and document your change?
-- [ ] Did you update any related tests and add any new tests related to your change? (see [testing](https://github.com/mosaicml/composer/blob/dev/CONTRIBUTING.md#running-tests))
+- [ ] Did you update any related tests and add any new tests related to your change? (see [testing](https://github.com/mosaicml/composer/blob/main/CONTRIBUTING.md#running-tests))
 - [ ] Did you run the tests locally to make sure they pass?
-- [ ] Did you run `pre-commit` on your change? (see the `pre-commit` section of [prerequisites](https://github.com/mosaicml/composer/blob/dev/CONTRIBUTING.md#prerequisites))
+- [ ] Did you run `pre-commit` on your change? (see the `pre-commit` section of [prerequisites](https://github.com/mosaicml/composer/blob/main/CONTRIBUTING.md#prerequisites))
 
 <!--
 Thanks so much for contributing to composer! We really appreciate it :)

.github/workflows/code-quality.yaml

@@ -2,7 +2,6 @@ name: Code Quality Checks
 on:
   push:
     branches:
-    - dev
     - main
     - release/**
   pull_request:

.github/workflows/daily.yaml

@@ -4,7 +4,6 @@ on:
   - cron: "30 2 * * *"  # 2:30 every day
   push:
     branches:
-    - dev
     - main
     - release/**
   workflow_dispatch:

.github/workflows/pr-docker.yaml

@@ -2,7 +2,6 @@ name: PR Docker
 on:
   pull_request:
     branches:
-    - dev
     - main
     - release/**
     paths:

.github/workflows/smoketest.yaml

@@ -2,7 +2,6 @@ name: Smoketest
 on:
   push:
     branches:
-    - dev
     - main
     - release/**
   pull_request: