LibWeb: Move formatter for Percentage into Percentage.h

Author: https://github.com/Calme1709
Commit: f15153ea86
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5734
Reviewed-by: https://github.com/AtkinsSJ ✅
Reviewed-by: https://github.com/Hendiadyoin1
Reviewed-by: https://github.com/gmta
Reviewed-by: https://github.com/tcl3

Libraries/LibWeb/CSS/Percentage.h

@@ -47,3 +47,11 @@ private:
 };
 
 }
+
+template<>
+struct AK::Formatter<Web::CSS::Percentage> : Formatter<StringView> {
+    ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Percentage const& percentage)
+    {
+        return Formatter<StringView>::format(builder, percentage.to_string());
+    }
+};

Libraries/LibWeb/CSS/PercentageOr.h

@@ -232,14 +232,6 @@ public:
 
 }
 
-template<>
-struct AK::Formatter<Web::CSS::Percentage> : Formatter<StringView> {
-    ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Percentage const& percentage)
-    {
-        return Formatter<StringView>::format(builder, percentage.to_string());
-    }
-};
-
 template<>
 struct AK::Formatter<Web::CSS::AnglePercentage> : Formatter<StringView> {
     ErrorOr<void> format(FormatBuilder& builder, Web::CSS::AnglePercentage const& angle_percentage)