GITBOOK-13: change request with no subject merged in GitBook

SUMMARY.md

@@ -1,6 +1,4 @@
 # Table of contents
 
 * [Sylvester Kaczmarek - Space, AI & Robotics Cybersecurity](README.md)
-* [Cybersecurity Tools & Skills](cybersecurity-tools-and-skills.md)
 * [Cognitive Warfare Strategies](cognitive-warfare-strategies.md)
-* [Threat Modeling for Space Systems](threat-modeling-for-space-systems.md)

cybersecurity-tools-and-skills.md

@@ -1,2 +0,0 @@
-# Cybersecurity Tools & Skills
-

threat-modeling-for-space-systems.md

@@ -1,9 +0,0 @@
----
-description: Navigating the Final Frontier Safely
-cover: >-
-  https://images.unsplash.com/photo-1446776709462-d6b525c57bd3?crop=entropy&cs=srgb&fm=jpg&ixid=M3wxOTcwMjR8MHwxfHNlYXJjaHw2fHxzcGFjZSUyMHRocmVhdHxlbnwwfHx8fDE2OTYyMDQ2ODV8MA&ixlib=rb-4.0.3&q=85
-coverY: 0
----
-
-# Threat Modeling for Space Systems
-