Merge branch 'feature/remove_setup' into '5.2'

removed setup script and submodule

See merge request vr-vis/VR-Group/unreal-development/unrealprojecttemplate!65

.gitmodules

-[submodule "setup"]
-	path = setup
-	url = https://git-ce.rwth-aachen.de/vr-vis/VR-Group/unreal-development/tools/unreal-project-setup-script.git
-	branch = master

setup @ 21724e17

-Subproject commit 21724e17473e568b1694449b9c3013498801eec2

setup.bat

-git submodule update --init -- setup
-FOR /F "tokens=*" %%a in ('git config -f .gitmodules --get submodule.setup.branch') do SET BRANCH=%%a
-WHERE py
-IF %ERRORLEVEL% NEQ 0 (SET PYTHON_COMMAND=python) ELSE (FOR /f "delims=" %%i in ('py -3 -c "import sys; print(sys.executable)"') do SET PYTHON_COMMAND=%%i)
-ECHO %PYTHON_COMMAND%
-cd setup && git checkout %BRANCH% && git pull && cd .. && "%PYTHON_COMMAND%" .\setup\setup.py %*

setup.sh

-#!/bin/bash
-
-git submodule update --init -- setup
-branch=$(git config -f .gitmodules --get submodule.setup.branch)
-cd setup && git checkout $branch && git pull && cd .. && /usr/bin/env python3 ./setup/setup.py $@