Remove unneeded 'nativeOwnership': 'refcounted' annotations, no bug

dom/bindings/Bindings.conf

@@ -93,10 +93,6 @@ DOMInterfaces = {
     'nativeType': 'mozilla::dom::file::ArchiveRequest',
 },
 
-'AudioBuffer': {
-    'nativeOwnership': 'refcounted',
-},
-
 'AudioChannelManager': {
     'nativeType': 'mozilla::dom::system::AudioChannelManager',
     'headerFile': 'AudioChannelManager.h'
@@ -157,14 +153,6 @@ DOMInterfaces = {
     'headerFile': 'DOMCameraManager.h'
 },
 
-'CanvasGradient' : {
-    'nativeOwnership': 'refcounted'
-},
-
-'CanvasPattern' : {
-    'nativeOwnership': 'refcounted'
-},
-
 'CanvasRenderingContext2D': {
     'implicitJSContext': [
         'createImageData', 'getImageData', 'mozDash'
@@ -653,7 +641,6 @@ DOMInterfaces = {
 'MimeType': {
     'headerFile' : 'nsMimeTypeArray.h',
     'nativeType': 'nsMimeType',
-    'nativeOwnership': 'refcounted',
     'resultNotAddRefed': [ 'enabledPlugin' ]
 },
 
@@ -780,10 +767,6 @@ DOMInterfaces = {
     'headerFile': 'nsPerformance.h'
 },
 
-'PeriodicWave' : {
-    'nativeOwnership': 'refcounted'
-},
-
 'Plugin': {
     'headerFile' : 'nsPluginArray.h',
     'nativeType': 'nsPluginElement',
@@ -850,26 +833,9 @@ DOMInterfaces = {
     'nativeType': 'nsCSSStyleSheet',
 },
 
-'SVGAngle' : {
-    'nativeOwnership': 'refcounted'
-},
-
-'SVGAnimatedAngle' : {
-    'nativeOwnership': 'refcounted'
-},
-
-'SVGAnimatedBoolean' : {
-    'nativeOwnership': 'refcounted'
-},
-
-'SVGAnimatedLength' : {
-    'nativeOwnership': 'refcounted'
-},
-
 'SVGAnimatedLengthList': {
     'nativeType': 'mozilla::DOMSVGAnimatedLengthList',
     'headerFile': 'DOMSVGAnimatedLengthList.h',
-    'nativeOwnership': 'refcounted',
 },
 
 'SVGAnimatedNumberList': {