Fixed merge.

src/Features/Core/Portable/FeaturesResources.resx

@@ -1626,10 +1626,4 @@ This version used in: {2}</value>
   <data name="in_Source_attribute" xml:space="preserve">
     <value>in Source (attribute)</value>
   </data>
-  <data name="StreamMustSupportReadAndSeek" xml:space="preserve">
-    <value>Stream must support read and seek operations.</value>
-  </data>
-  <data name="MethodMustReturnStreamThatSupportsReadAndSeek" xml:space="preserve">
-    <value>{0} must return a stream that supports read and seek operations.</value>
-  </data>
 </root>
\ No newline at end of file