Update README.md

Author: codingseb

README.md

@@ -158,8 +158,6 @@ myArray[2] || true
 True
 ```
 
-*Remark : custom variable evaluation is case insensitive*
-
 ## Standard functions
 The following functions are internally defined. (Most of these are [System.Math Methods](https://msdn.microsoft.com/en-us/library/system.math(v=vs.110).aspx) directly accessible)
 The evaluation of functions names is case insensitive.