Update 20487C_MOD11_LAB_MANUAL.md
Update 20487C_MOD11_LAB_MANUAL.md

Remove ** from instruction
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices