Removes test transaction UI button

Removes the test transaction button from the admin UI.

The test transaction endpoint is still available in the API for development and debugging purposes.

templates/satmachineadmin/index.html

@@ -356,16 +356,6 @@
                   <q-tooltip>Process specific transaction by ID (bypasses dispense checks)</q-tooltip>
                   Manual TX
                 </q-btn>
-                <q-btn
-                  v-if="lamassuConfig && lamassuConfig.source_wallet_id"
-                  size="sm"
-                  color="warning"
-                  @click="testTransaction"
-                  :loading="runningTestTransaction"
-                  class="q-ml-sm"
-                >
-                  Test Transaction
-                </q-btn>
               </div>
             </q-card-section>
           </q-expansion-item>