Update README.md

Remove old Windows code build notice.

README.md

@@ -104,8 +104,7 @@ Example of configuration file can be found in Source directory as fftp.conf.
 
 * LightFTP comes with full source code, written in C;
 * In order to build from source in Windows you need Cygwin environment (https://www.cygwin.com/) with GNU make, gnutls and pthreads packages installed. Also make sure Cygwin bin folder is set in system wide PATH variable (e.g. PATH=SomeOfYourOtherValues;C:\Cygwin\bin;C:\Cygwin\usr\bin). To build executable run make command in the Release directory;
-* In order to build from source in Linux you need GCC C compiler, run make command in the Release directory. LigthFTP uses GnuTLS, make sure you have headers (libgnutls-dev or gnutls-dev) installed;
-* Old Windows Visual Studio source code and project files located in Source/Deprecated directory, in order to build from this source you need Microsoft Visual Studio 2013/2015 and later versions.
+* In order to build from source in Linux you need GCC C compiler, run make command in the Release directory. LigthFTP uses GnuTLS, make sure you have headers (libgnutls-dev or gnutls-dev) installed.
 
 ### Example for Linux Mint 19.3/Ubuntu 18.04