Remove Lua 5.1 build status

README.md

@@ -6,13 +6,13 @@ A header-only C++ library which provides a Lua wrapper with minimal overhead.
 ## Requirements
 You need will need a C++14 compliant compiler and Lua 5.2 (or higher) installed.
 
- Platform                                | Lua 5.1  | Lua 5.2 <sup>**1)**</sup> | Lua 5.3
------------------------------------------|----------|---------------------------|---------
- Linux (clang++ 3.6)                     | untested | works                     | works
- Linux (g++ 5.1)                         | untested | works                     | works
- FreeBSD <sup>**2)**</sup> (clang++ 3.6) | untested | works                     | untested
- FreeBSD <sup>**2)**</sup> (g++ 5.1)     | untested | works                     | untested
- Everything else                         | untested | untested                  | untested
+ Platform                                | Lua 5.2 <sup>**1)**</sup> | Lua 5.3
+-----------------------------------------|---------------------------|---------
+ Linux (clang++ 3.6)                     | works                     | works
+ Linux (g++ 5.1)                         | works                     | works
+ FreeBSD <sup>**2)**</sup> (clang++ 3.6) | works                     | untested
+ FreeBSD <sup>**2)**</sup> (g++ 5.1)     | works                     | untested
+ Everything else                         | untested                  | untested
 
 <sup>**1)**</sup> Inherits the integer quirks that come with Lua 5.2, that why the `types_numeric`
 test case fails.