[librsvg] Remove hand_normalize(); it is unused now. Yay!

[Federico Mena Quintero <federico src gnome org>]

commit 2a79f16a603a362ca27f10b114ddf64415fb132e
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Feb 19 13:53:52 2019 -0600

    Remove hand_normalize(); it is unused now.  Yay!

 rsvg_internals/src/length.rs | 29 -----------------------------
 1 file changed, 29 deletions(-)
---
diff --git a/rsvg_internals/src/length.rs b/rsvg_internals/src/length.rs
index a6c1d853..887fbf25 100644
--- a/rsvg_internals/src/length.rs
+++ b/rsvg_internals/src/length.rs
@@ -135,16 +135,6 @@ macro_rules! define_length_type {
                 }
             }
 
-            pub fn hand_normalize(
-                &self,
-                pixels_per_inch: f64,
-                width_or_height: f64,
-                font_size: f64,
-            ) -> f64 {
-                self.0
-                    .hand_normalize(pixels_per_inch, width_or_height, font_size)
-            }
-
             pub fn from_cssparser(parser: &mut Parser<'_, '_>) -> Result<Self, ValueErrorKind> {
                 Ok($name(Length::from_cssparser(parser)?))
             }
@@ -238,25 +228,6 @@ impl Length {
         self.length
     }
 
-    pub fn hand_normalize(
-        &self,
-        pixels_per_inch: f64,
-        width_or_height: f64,
-        font_size: f64,
-    ) -> f64 {
-        match self.unit {
-            LengthUnit::Percent => self.length * width_or_height,
-            LengthUnit::Px => self.length,
-            LengthUnit::Em => self.length * font_size,
-            LengthUnit::Ex => self.length * font_size / 2.0,
-            LengthUnit::In => self.length * pixels_per_inch,
-            LengthUnit::Cm => self.length * pixels_per_inch / CM_PER_INCH,
-            LengthUnit::Mm => self.length * pixels_per_inch / MM_PER_INCH,
-            LengthUnit::Pt => self.length * pixels_per_inch / POINTS_PER_INCH,
-            LengthUnit::Pc => self.length * pixels_per_inch / PICA_PER_INCH,
-        }
-    }
-
     pub fn from_cssparser(parser: &mut Parser<'_, '_>) -> Result<Length, ValueErrorKind> {
         let length = {
             let token = parser.next().map_err(|_| {