readme.md correction

Author: multipetros

README.md

@@ -21,17 +21,13 @@ Functions
 
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 ### `<string> strtolower_no_accent($str)`
 * Convert unicode string to lower case, without accent marks for the greek letters
 * `$str` string to lower case convert
 * Returns converted string
 
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 ### `<string> str_no_accent($str)`
 * Remove accent marks for the greek letters at passed unicode string (no any case convertion)
 * `$str` string $str string to remove greek accent marks only