remove migration brownout, update README re: cessation of support

README.md

@@ -6,7 +6,7 @@
 
 An action to setup the [GNU Fortran](https://gcc.gnu.org/fortran/) compiler.
 
-**Note:** Maintenance of this action will cease in 2024. If the GCC preinstalled on runner images does not meet your needs, [`fortran-lang/setup-fortran`](https://github.com/fortran-lang/setup-fortran) is recommended.
+**Note:** Maintenance of this action has ceased. If the GCC preinstalled on runner images does not meet your needs, [`fortran-lang/setup-fortran`](https://github.com/fortran-lang/setup-fortran) is recommended.
 
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 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->

action.yml

@@ -6,15 +6,9 @@ runs:
     - name: Migration warning
       shell: bash
       run: |
-        echo "WARNING: This action will be archived on 01/01/24."
+        echo "WARNING: This action is unsupported."
         echo "Use fortran-lang/setup-fortran instead (https://github.com/fortran-lang/setup-fortran)."
 
-    - name: Migration brownout
-      uses: wpbonelli/schedule-outage@v1
-      with:
-        probability: 0.1
-        message: "This action will be archived on 01/01/24. Use fortran-lang/setup-fortran instead (https://github.com/fortran-lang/setup-fortran)."
-
     - name: Symlink to gfortran (Linux)
       if: runner.os == 'Linux'
       shell: bash
@@ -59,4 +53,4 @@ runs:
       run: |
         gfortran --version
         gcc --version
-        g++ --version
+        g++ --version