install_repo.sh: Upgrade to LineageOS' recommendations and cleanup
install_repo.sh: Upgrade to LineageOS' recommendations and cleanup

Change-Id: Ic07c10678e0ab404675996f7226dbecba7393ba6
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools