LibRegex: Remove duplicated condition

Author: https://github.com/shlyakpavel
Commit: 811d5a5c3e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2984
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/gmta

Libraries/LibRegex/RegexParser.cpp

@@ -726,7 +726,7 @@ ALWAYS_INLINE bool PosixExtendedParser::parse_sub_expression(ByteCode& stack, si
 
             if (length > 1) {
                 // last character is inserted into 'bytecode' for duplication symbol handling
-                auto new_length = length - ((match_repetition_symbol() && length > 1) ? 1 : 0);
+                auto new_length = length - (match_repetition_symbol() ? 1 : 0);
                 stack.insert_bytecode_compare_string({ start_token.value().characters_without_null_termination(), new_length });
             }