Remove the unique defconfigs count from email.
Remove the unique defconfigs count from email.

Change-Id: I2fbe91b40ccbd019c246dfffc07d59028ced86a4

kernelci/kernelci-backend,kernelci/kernelci-backend,joyxu/kernelci-backend,joyxu/kernelci-backend,joyxu/kernelci-backend