Jenkins HIL remove px4_fmu-v4_optimized

- this was interesting to monitor, but slows down the entire build with only one pixracer on the test rack

.ci/Jenkinsfile-hardware

@@ -217,79 +217,6 @@ pipeline {
           }
         }
 
-        stage("px4_fmu-v4_optimized") {
-          stages {
-            stage("build px4_fmu-v4_optimized") {
-              agent {
-                docker {
-                  image 'px4io/px4-dev-nuttx-bionic:2020-04-01'
-                  args '-e CCACHE_BASEDIR=$WORKSPACE -v ${CCACHE_DIR}:${CCACHE_DIR}:rw'
-                }
-              }
-              steps {
-                sh 'export'
-                sh 'make distclean'
-                sh 'ccache -s'
-                sh 'git fetch --tags'
-                sh 'make px4_fmu-v4_optimized'
-                sh 'make sizes'
-                sh 'ccache -s'
-                stash includes: 'build/px4_fmu-v4_optimized/px4_fmu-v4_optimized.elf', name: 'px4_fmu-v4_optimized'
-              }
-              post {
-                always {
-                    sh 'make distclean'
-                }
-              }
-            } // stage build
-            stage("test") {
-              agent {
-                label 'px4_fmu-v4'
-              }
-              stages {
-                stage("flash") {
-                  steps {
-                    sh 'export'
-                    sh 'find /dev/serial'
-                    unstash 'px4_fmu-v4_optimized'
-                    // flash board and watch bootup
-                    sh './platforms/nuttx/Debug/upload_jlink_gdb.sh build/px4_fmu-v4_optimized/px4_fmu-v4_optimized.elf'
-                    sh './Tools/HIL/monitor_firmware_upload.py --device `find /dev/serial -name *usb-FTDI_*` --baudrate 57600'
-                  }
-                }
-                stage("configure") {
-                  steps {
-                    // configure
-                    sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-FTDI_*` --cmd "param set CBRK_BUZZER 782097"'  // disable buzzer
-                    sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-FTDI_*` --cmd "param set SYS_AUTOSTART 4001"'  // generic multicopter
-                    sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-FTDI_*` --cmd "param save"'
-                    sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-FTDI_*` --cmd "reboot"'                        // reboot to apply
-                  }
-                }
-                stage("status") {
-                  steps {
-                    statusFTDI()
-                  }
-                }
-                stage("tests") {
-                  steps {
-                    // run tests
-                    sh './Tools/HIL/run_tests.py --device `find /dev/serial -name *usb-FTDI_*`'
-                  }
-                }
-                stage("reset") {
-                  steps {
-                    cleanupFTDI();
-                  }
-                }
-              }
-              options {
-                timeout(time: 60, unit: 'MINUTES')
-              }
-            } // stage test
-          }
-        }
-
         stage("px4_fmu-v4pro_default") {
           stages {
             stage("build px4_fmu-v4pro_default") {