Remove the deprecated global unslash function

Author: emmadesilva

packages/framework/src/helpers.php

@@ -16,21 +16,6 @@ function hyde(): HydeKernel
         }
     }
 
-    if (! function_exists('unslash')) {
-        /**
-         * Remove trailing slashes from the start and end of a string.
-         *
-         * @deprecated This function will be replaced by {@see \Hyde\unslash()} in v2.0
-         *
-         * @codeCoverageIgnore This function is deprecated and will be removed in a future release.
-         */
-        #[Deprecated(reason: 'Replaced by the \Hyde\unslash() function', replacement: '\Hyde\unslash(%parametersList%)', since: '1.7.0')]
-        function unslash(string $string): string
-        {
-            return \Hyde\unslash($string);
-        }
-    }
-
     if (defined('HYDE_COMPATIBILITY_MODE') && HYDE_COMPATIBILITY_MODE === true) {
         // Don't declare these functions when running in compatibility mode.
     } else {