remove lua from ci

.travis.yml

@@ -26,16 +26,6 @@ before_install:
     brew install freetype libevent sqlite p7zip dylibbundler > /dev/null;
   fi
 
-- curl --location --retry 5 http://www.lua.org/ftp/lua-5.3.5.tar.gz | tar zfx -
-- cd lua-5.3.5
-- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-    sudo make macosx test install > /dev/null;
-  fi
-- if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-    sudo make linux test install > /dev/null;
-  fi
-- cd ..
-
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
     curl --location --retry 5 https://github.com/premake/premake-core/releases/download/v5.0.0-alpha12/premake-5.0.0-alpha12-macosx.tar.gz | tar zfx -;
   fi

appveyor.yml

@@ -27,10 +27,6 @@ install:
   - move irrlicht-1.8.4\source\Irrlicht irrlicht\src
   - move irrlicht-1.8.4\include irrlicht\include
   
-  - bash -c "curl --retry 5 --connect-timeout 30 --location --remote-header-name --remote-name https://www.lua.org/ftp/lua-5.3.5.tar.gz ; exit 0"
-  - tar xf lua-5.3.5.tar.gz
-  - move lua-5.3.5\src lua
-  
   - bash -c "curl --retry 5 --connect-timeout 30 --location --remote-header-name --remote-name https://www.sqlite.org/2018/sqlite-amalgamation-3240000.zip ; exit 0"
   - 7z x -y sqlite-amalgamation-3240000.zip
   - move sqlite-amalgamation-3240000 sqlite3
@@ -105,5 +101,4 @@ cache:
   - libevent-2.0.22-stable.tar.gz
   - freetype-2.9.1.tar.bz2
   - irrlicht-1.8.4.zip
-  - lua-5.3.5.tar.gz
   - sqlite-amalgamation-3240000.zip