Remove "Header" extension for Value type

lib/core/libimagstore/src/store.rs

@@ -888,24 +888,6 @@ impl PartialEq for Entry {
 
 }
 
-/// Extension trait for top-level toml::Value::Table, will only yield correct results on the
-/// top-level Value::Table, but not on intermediate tables.
-pub trait Header {
-    fn parse(s: &str) -> Result<Value>;
-}
-
-impl Header for Value {
-
-    fn parse(s: &str) -> Result<Value> {
-        use toml::de::from_str;
-
-        from_str(s)
-            .map_err(From::from)
-            .and_then(|h: Value| h.verify().map(|_| h))
-    }
-
-}
-
 fn has_only_tables(t: &Value) -> Result<bool> {
     debug!("Verifying that table has only tables");
     match *t {

lib/core/libimagstore/src/util.rs

@@ -22,7 +22,6 @@ use std::fmt::Write;
 use toml::Value;
 
 use store::Result;
-use store::Header;
 
 #[cfg(feature = "early-panic")]
 #[macro_export]
@@ -61,7 +60,7 @@ pub fn entry_buffer_to_header_content(buf: &str) -> Result<(Value, String)> {
         }
     }
 
-    Ok((Value::parse(&header)?, content))
+    ::toml::de::from_str(&header).map_err(From::from).map(|h| (h, content))
 }
 
 #[cfg(test)]