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 +36,16 @@ jobs:
         run: sudo apt install -y softhsm2
 
       - name: Set up SoftHSM
+        env:
+          TMPDIR: ${{ runner.temp }}
+          SOFTHSM2_CONF: ${{ github.workspace }}/softhsm2.conf
         run: |
-          echo directories.tokendir = /tmp > $HOME/softhsm2.conf
-          export SOFTHSM2_CONF=$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
         env:
           CHAINCODE_LANGUAGE: ${{ matrix.chaincode-language }}
+          SOFTHSM2_CONF: ${{ github.workspace }}/softhsm2.conf
         run: ../ci/scripts/run-test-network-hsm.sh