refacto: moves function to being used on internal test suite only

src/Functions.php

@@ -194,16 +194,3 @@ if (! function_exists('afterAll')) {
         TestSuite::getInstance()->afterAll->set($closure);
     }
 }
-
-if (! function_exists('removeAnsiEscapeSequences')) {
-    /**
-     * Remove ANSI escape sequences from a given string.
-     *
-     * @param  string  $input The string containing ANSI escape sequences.
-     * @return string|null A new string with all ANSI escape sequences removed.
-     */
-    function removeAnsiEscapeSequences(string $input): ?string
-    {
-        return preg_replace('#\\x1b[[][^A-Za-z]*[A-Za-z]#', '', $input);
-    }
-}

tests/Pest.php

@@ -39,3 +39,8 @@ function helper_returns_string()
 }
 
 dataset('dataset_in_pest_file', ['A', 'B']);
+
+function removeAnsiEscapeSequences(string $input): ?string
+{
+    return preg_replace('#\\x1b[[][^A-Za-z]*[A-Za-z]#', '', $input);
+}