Added fix for VM was not booting with custom kernel

Testscripts/Linux/customKernelInstall.sh

@@ -170,6 +170,7 @@ InstallKernel()
                         UpdateTestState $ICA_TESTFAILED
                 else
                         LogMsg "CUSTOM_KERNEL_SUCCESS"
+                        DEBIAN_FRONTEND=noninteractive apt-get -y remove linux-image-$(uname -r)
                         UpdateTestState $ICA_TESTCOMPLETED
                 fi
         elif [[ $CustomKernel == *.rpm ]]; then
@@ -182,13 +183,12 @@ InstallKernel()
                         LogMsg "Installing ${CustomKernel##*/}"
                         rpm -ivh "${CustomKernel##*/}"  >> $logFolder/build-CustomKernel.txt 2>&1
                         kernelInstallStatus=$?
-                        rpm -e kernel-$(uname -r)
+                        
                 else
                         prefix="localfile:"
                         LogMsg "Installing ${CustomKernel#$prefix}"
                         rpm -ivh "${CustomKernel#$prefix}"  >> $logFolder/build-CustomKernel.txt 2>&1
                         kernelInstallStatus=$?
-                        rpm -e kernel-$(uname -r)
 
                 fi
                 UpdateTestState $ICA_TESTCOMPLETED
@@ -198,6 +198,7 @@ InstallKernel()
                 else
                         LogMsg "CUSTOM_KERNEL_SUCCESS"
                         UpdateTestState $ICA_TESTCOMPLETED
+                        rpm -e kernel-$(uname -r)
                         grub2-set-default 0
                 fi
         fi