Add some instructions on removing the symlinking code.
Add some instructions on removing the symlinking code.

The code in install.rb and uninstall.rb for a theme that symlinks its
public directory from the main application directory is no longer
needed.

TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli_old,datauy/alaveteli,datauy/alaveteli,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,codeforcroatia/alaveteli,TEDICpy/QueremoSaber,Br3nda/alaveteli,TEDICpy/QueremoSaber,4bic/alaveteli,codeforcroatia/alaveteli,petterreinholdtsen/alaveteli,nzherald/alaveteli,obshtestvo/alaveteli-bulgaria,4bic/alaveteli,Br3nda/alaveteli,andreicristianpetcu/alaveteli,obshtestvo/alaveteli-bulgaria,nzherald/alaveteli,andreicristianpetcu/alaveteli_old,Br3nda/alaveteli,codeforcroatia/alaveteli,nzherald/alaveteli,4bic/alaveteli,codeforcroatia/alaveteli,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli,petterreinholdtsen/alaveteli,petterreinholdtsen/alaveteli,datauy/alaveteli,obshtestvo/alaveteli-bulgaria,4bic/alaveteli,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli_old,TEDICpy/QueremoSaber,Br3nda/alaveteli,nzherald/alaveteli,4bic/alaveteli,nzherald/alaveteli,andreicristianpetcu/alaveteli_old,TEDICpy/QueremoSaber,Br3nda/alaveteli,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli