kill child.yml and more work on sql unit tests

src/main/resources/child.yml

@@ -1,16 +0,0 @@
-#
-#  mcMMO child skill configuration
-#  Last updated on ${project.version}-b${BUILD_NUMBER}
-#
-#  You do not need to modify this file except to change parents of child skills
-#
-#  If you wish a child skill to be the parent of another child skill, you must also make your changes to the child.yml within the jar
-#  WARNING: THIS IS NOT SUPPORTED, IF YOU DO SO YOU ARE RESPONSIBLE FOR THE ISSUES THAT MAY ARISE.  That said, watch out for circular dependencies, those are bad.
-#
-#####
-Salvage:
-    - Fishing
-    - Repair
-Smelting:
-    - Mining
-    - Repair