refactor(pcre): drop Result from Preg method return types

The Preg methods panic on PCRE failure (per the file header rationale),
so their anyhow::Result wrappers never carried an Err.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/shirabe/src/downloader/fossil_downloader.rs b/crates/shirabe/src/downloader/fossil_downloader.rs
index d6b8095..2c4e7de 100644
--- a/crates/shirabe/src/downloader/fossil_downloader.rs
+++ b/crates/shirabe/src/downloader/fossil_downloader.rs
@@ -238,11 +238,11 @@ impl VcsDownloader for FossilDownloader {
         let lines: Vec<String> = if trimmed.is_empty() {
             vec![]
         } else {
-            Preg::split(r"{\r?\n}", &trimmed)?
+            Preg::split(r"{\r?\n}", &trimmed)
         };
 
         for line in lines {
-            if Preg::is_match(&match_pattern, &line)? {
+            if Preg::is_match(&match_pattern, &line) {
                 break;
             }
             log.push_str(&line);