Remove check workflow and filter on branch name

Author: Ware, Joseph (DLSLtd,RAL,LSCI)

.github/workflows/_check.yml

@@ -2,22 +2,17 @@ name: CI
 
 on:
   push:
+    branches:
+      - main
   pull_request:
 
 jobs:
-  check:
-    uses: ./.github/workflows/_check.yml
-
   lint:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_tox.yml
     with:
       tox: pre-commit
 
   test:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_test.yml
     with:
       python-version: dev
@@ -26,8 +21,6 @@ jobs:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   docs:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_docs.yml
     permissions:
       contents: write

.github/workflows/ci.yml

@@ -5,19 +5,13 @@ on:
   pull_request:
 
 jobs:
-  check:
-    uses: ./.github/workflows/_check.yml
 
   lint:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_tox.yml
     with:
       tox: pre-commit,type-checking
 {% raw %}
   test:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     strategy:
       matrix:
         runs-on: ["ubuntu-latest"] # can add windows-latest, macos-latest
@@ -35,21 +29,15 @@ jobs:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 {% endraw %}{% if docker %}
   container:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_container.yml
     permissions:
       contents: read
       packages: write
 {% endif %}{% if sphinx %}
   docs:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_docs.yml
 {% endif %}
   dist:
-    needs: check
-    if: needs.check.outputs.branch-pr == ''
     uses: ./.github/workflows/_dist.yml
   {% if pypi %}
   pypi: