Remove old provider references and replace "new" with just providers

There was a lot of code and references to old provider ways of handling
old structure of providers. Once all providers have been moved, we can
now remove that old code and rename old the "new_providers" references
to just "providers"

Author: potiuk

.github/workflows/test-provider-packages.yml

@@ -99,7 +99,7 @@ jobs:
       - name: "Prepare provider documentation"
         run: >
           breeze release-management prepare-provider-documentation --include-not-ready-providers
-          --non-interactive
+          --non-interactive --answer yes
         if: matrix.package-format == 'wheel'
       - name: "Prepare provider packages: ${{ matrix.package-format }}"
         run: >

.pre-commit-config.yaml

@@ -1388,7 +1388,7 @@ repos:
         stages: ['manual']
         name: Run mypy for providers (manual)
         language: python
-        entry: ./scripts/ci/pre_commit/mypy_folder.py all_new_providers
+        entry: ./scripts/ci/pre_commit/mypy_folder.py all_providers
         pass_filenames: false
         files: ^.*\.py$
         require_serial: true