chore: Move Linux-only configs out of "common" and into "linux"

common/.config/kate/externaltools/Compile%20and%20Run%20cpp.ini

@@ -1,12 +0,0 @@
-[General]
-actionName=externaltool_C++CompileRun
-arguments=-c 'g++ "%{Document:FilePath}" -o "%{Document:FileBaseName}" && "./%{Document:FileBaseName}"'
-category=Tools
-executable=sh
-icon=text-x-c++src
-name=Compile and Run cpp
-output=DisplayInPane
-reload=false
-save=CurrentDocument
-trigger=None
-workingDir=%{Document:Path}