ci(Tests): remove the exclude block for the test matrix

Since we don't test with Julia 1.6 anyways, remove the exclude block.
Note: this was initially left in while the workflow was standardised to
maintain status quo (with the previous version of the workflow).

.github/workflows/Tests.yml

@@ -30,9 +30,6 @@ jobs:
           - version: '1'
             arch: x64
             coverage: true
-        exclude: # test 32bit only with Julia 1 but not LTS
-          - version: '1.6'
-            arch: x86
     uses: "SciML/.github/.github/workflows/tests.yml@v1"
     with:
       group: ${{ matrix.group }}