Suppress S3 testing in github actions

.github/workflows/run_tests_ubuntu.yml

@@ -191,15 +191,7 @@ jobs:
 
       - name: Run Tests
         shell: bash -l {0}
-        env:
-          AWS_PROFILE: ${{ secrets.DEFAULT_PROFILE }}
         run: |
-          mkdir -p ~/.aws
-          echo "${AWS_PROFILE}" > ${HOME}/.aws/credentials
-          chmod go-rwx ${HOME}/.aws/credentials
-          ls -l  ${HOME}/.aws/credentials
-          wc  ${HOME}/.aws/credentials
-          pwd
           LD_LIBRARY_PATH="/home/runner/work/netcdf-c/netcdf-c/liblib/.libs:${LD_LIBRARY_PATH}"
           CFLAGS=${CFLAGS} LDFLAGS=${LDFLAGS} LD_LIBRARY_PATH=${LD_LIBRARY_PATH} make check -j
         if: ${{ success() }}

.github/workflows/run_tests_win_cygwin.yml

@@ -43,8 +43,7 @@ jobs:
         run: >-
            /bin/dash ./configure --enable-hdf5 --enable-shared
            --disable-static --enable-dap --disable-dap-remote-tests
-           --enable-plugins --enable-nczarr
-           --disable-s3
+           --enable-plugins --enable-nczarr --disable-s3
 
       - name: Look at config.log if error
         if: ${{ failure() }}
@@ -67,10 +66,5 @@ jobs:
 
       - name: (Autotools) Build and run tests
         timeout-minutes: 30
-        env:
-          AWS_PROFILE: ${{ secrets.DEFAULT_PROFILE }}
         run: |
-          mkdir -p ~/.aws
-          echo "${AWS_PROFILE}" >> ~/.aws/config
-          chmod go-rwx ~/.aws/config
           make check -j8 SHELL=/bin/dash