Delete 20487C_MOD04_LAB01.md
Delete 20487C_MOD04_LAB01.md

deleting old file
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices