Revert "Add List.first."

sdk/lib/svg/dartium/svg_dartium.dart

Index: sdk/lib/svg/dartium/svg_dartium.dart
diff --git a/sdk/lib/svg/dartium/svg_dartium.dart b/sdk/lib/svg/dartium/svg_dartium.dart
index 9dc79b5b678b338eba5daedfc08a4585240d0305..f372945c46b34f13b4cdff6e6f9b6fd1ae5b8bf9 100644
--- a/sdk/lib/svg/dartium/svg_dartium.dart
+++ b/sdk/lib/svg/dartium/svg_dartium.dart
@@ -498,8 +498,6 @@ class SVGAnimatedLengthList extends NativeFieldWrapperClass1 implements List<SVG
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGAnimatedLength get first => this[0];
-
   SVGAnimatedLength get last => this[length - 1];
 
   SVGAnimatedLength removeLast() {
@@ -627,8 +625,6 @@ class SVGAnimatedNumberList extends NativeFieldWrapperClass1 implements List<SVG
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGAnimatedNumber get first => this[0];
-
   SVGAnimatedNumber get last => this[length - 1];
 
   SVGAnimatedNumber removeLast() {
@@ -796,8 +792,6 @@ class SVGAnimatedTransformList extends NativeFieldWrapperClass1 implements List<
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGAnimateTransformElement get first => this[0];
-
   SVGAnimateTransformElement get last => this[length - 1];
 
   SVGAnimateTransformElement removeLast() {
@@ -3862,8 +3856,6 @@ class SVGLengthList extends NativeFieldWrapperClass1 implements List<SVGLength>
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGLength get first => this[0];
-
   SVGLength get last => this[length - 1];
 
   SVGLength removeLast() {
@@ -4511,8 +4503,6 @@ class SVGNumberList extends NativeFieldWrapperClass1 implements List<SVGNumber>
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGNumber get first => this[0];
-
   SVGNumber get last => this[length - 1];
 
   SVGNumber removeLast() {
@@ -5580,8 +5570,6 @@ class SVGPathSegList extends NativeFieldWrapperClass1 implements List<SVGPathSeg
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGPathSeg get first => this[0];
-
   SVGPathSeg get last => this[length - 1];
 
   SVGPathSeg removeLast() {
@@ -6736,8 +6724,6 @@ class SVGStringList extends NativeFieldWrapperClass1 implements List<String> {
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  String get first => this[0];
-
   String get last => this[length - 1];
 
   String removeLast() {
@@ -7469,8 +7455,6 @@ class SVGTransformList extends NativeFieldWrapperClass1 implements List<SVGTrans
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGTransform get first => this[0];
-
   SVGTransform get last => this[length - 1];
 
   SVGTransform removeLast() {
@@ -7954,8 +7938,6 @@ class _SVGElementInstanceList extends NativeFieldWrapperClass1 implements List<S
     return _Lists.lastIndexOf(this, element, start);
   }
 
-  SVGElementInstance get first => this[0];
-
   SVGElementInstance get last => this[length - 1];
 
   SVGElementInstance removeLast() {