Deprecate MLTK detections

[patel-bhavin]

Changes

• staging MLTK detections for deprecation and associated baselines
• updated deprecated_mapping.yml

Links

• Abnormally High Number Of Cloud Infrastructure API Calls
• Abnormally High Number Of Cloud Instances Destroyed
• Abnormally High Number Of Cloud Instances Launched
• Abnormally High Number Of Cloud Security Group API Calls
• Detect DNS Data Exfiltration using pretrained model in DSDL
• DNS Query Length Outliers - MLTK
• SMB Traffic Spike - MLTK
• Unusually Long Command Line - MLTK
• Detect DGA domains using pretrained model in DSDL
• Detect suspicious DNS TXT records using pretrained model in DSDL
• Detect suspicious processnames using pretrained model in DSDL
• Potentially malicious code on commandline

[nasbench]

LGTM