Revert "NLua, not tested"

This reverts commit 504cbc67.

Dockerfile

 FROM node
 RUN apt-get update
-RUN apt-get install -y git build-essential premake4 libfreetype6-dev libevent-dev libsqlite3-dev liblua5.2-dev mono-complete cmake
+RUN apt-get install -y git build-essential premake4 libfreetype6-dev libevent-dev libsqlite3-dev liblua5.2-dev mono-complete
 
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
@@ -21,18 +21,10 @@ WORKDIR /usr/src/app/ygosharp
 RUN xbuild /property:Configuration=Release /property:OutDir=/usr/src/app/windbot/
 
 RUN mv /usr/src/app/windbot /usr/src/app/windbot-source
-WORKDIR /usr/src/app/windbot-source/NLua/Core/KeraLua
-ENV CFLAGS=-m64 CXXFLAGS=-m64 LDFLAGS=-m64
-RUN make -f Makefile.Linux
-RUN xbuild KeraLua.Net45.sln /p:Configuration=Release
-WORKDIR /usr/src/app/windbot-source/NLua
-RUN xbuild NLua.Net45.sln /p:Configuration=Release
-RUN mv /usr/src/app/windbot-source/NLua/Run/Release/net45/*.dll /usr/src/app/windbot-source/
 WORKDIR /usr/src/app/windbot-source
 RUN xbuild /property:Configuration=Release /property:OutDir=/usr/src/app/windbot/
-RUN mv /usr/src/app/windbot-source/NLua/Core/KeraLua/external/lua/linux/lib64/liblua52.so /usr/src/app/windbot/
 WORKDIR /usr/src/app
-#RUN rm -rf /usr/src/app/windbot-source
+RUN rm -rf /usr/src/app/windbot-source
 RUN ln -s /usr/src/app/ygopro/cards.cdb /usr/src/app/windbot/cards.cdb
 
 WORKDIR /usr/src/app