Remove legacy sample applications

The removed samples make use of deprecated legacy client SDKs. They all
have equivalent samples implemented using the currently supported Fabric
Gateway client API, and are therefore redundant.

Signed-off-by: Mark S. Lewis <Mark.S.Lewis@outlook.com>

.github/workflows/test-network-hsm.yaml

@@ -36,13 +36,15 @@ jobs:
         run: sudo apt install -y softhsm2
 
       - name: Set up SoftHSM
+        env:
+          TMPDIR: ${{ runner.temp }}
         run: |
-          echo directories.tokendir = /tmp > $HOME/softhsm2.conf
-          export SOFTHSM2_CONF=$HOME/softhsm2.conf
+          export SOFTHSM2_CONF="${HOME}/softhsm2.conf"
+          echo "directories.tokendir = ${TMPDIR}" > "${SOFTHSM2_CONF}"
           softhsm2-util --init-token --slot 0 --label "ForFabric" --pin 98765432 --so-pin 1234
 
       - name: Run Test Network HSM
-        working-directory: test-network
+        working-directory: ci/scripts
         env:
           CHAINCODE_LANGUAGE: ${{ matrix.chaincode-language }}
-        run: ../ci/scripts/run-test-network-hsm.sh
+        run: ./run-test-network-hsm.sh