[librsvg] property_bag.rs: Remove unused lookup_and_parse()

[Federico Mena Quintero <federico src gnome org>]

commit ef8fd91518f96f449aba4900104dd055ed0e968a
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Mar 15 23:04:51 2017 -0600

    property_bag.rs: Remove unused lookup_and_parse()
    
    This is the one that didn't propagate errors.
    
    Now, the only public function left that doesn't propagate errors is lookup().

 rust/src/property_bag.rs |   17 -----------------
 1 files changed, 0 insertions(+), 17 deletions(-)
---
diff --git a/rust/src/property_bag.rs b/rust/src/property_bag.rs
index d8801d8..60a16ad 100644
--- a/rust/src/property_bag.rs
+++ b/rust/src/property_bag.rs
@@ -27,23 +27,6 @@ pub fn lookup (pbag: *const RsvgPropertyBag, key: &str) -> Option<String> {
     }
 }
 
-pub fn lookup_and_parse<T: Default + FromStr> (pbag: *const RsvgPropertyBag, key: &str) -> T {
-    let value = lookup (pbag, key);
-
-    if let Some (v) = value {
-        let result = T::from_str (&v);
-
-        if let Ok (r) = result {
-            r
-        } else {
-            // FIXME: Error is discarded here.  Figure out a way to propagate it upstream.
-            T::default ()
-        }
-    } else {
-        T::default ()
-    }
-}
-
 pub fn length_or_default (pbag: *const RsvgPropertyBag, key: &'static str, length_dir: LengthDir) -> Result 
<RsvgLength, NodeError> {
     let value = lookup (pbag, key);