CI: Remove uploading coverage results to Codecov for Npgsql

Author: amotl

.github/workflows/lang-npgsql.yml

@@ -82,10 +82,3 @@ jobs:
       - name: Validate by-language/csharp-npgsql, Npgsql ${{ matrix.npgsql-version }}
         run: |
           ngr test by-language/csharp-npgsql --dotnet-version=${{ matrix.dotnet-version }} --npgsql-version=${{ matrix.npgsql-version }}
-
-      # https://github.com/codecov/codecov-action
-      - name: Upload coverage results to Codecov
-        uses: codecov/codecov-action@v4
-        with:
-          flags: by-language-csharp-npgsql
-          fail_ci_if_error: false