Bug 698856 - Mark one WebGL test page as expected to pass on Windows - no review, m1 orange fix

content/canvas/test/webgl/failing_tests_windows.txt

@@ -8,7 +8,6 @@ conformance/glsl/misc/shader-with-long-line.html
 conformance/more/conformance/quickCheckAPI-S_V.html
 conformance/more/functions/uniformfArrayLen1.html
 conformance/glsl/misc/attrib-location-length-limits.html
-conformance/glsl/misc/embedded-struct-definitions-forbidden.html
 conformance/glsl/misc/struct-nesting-under-maximum.html
 conformance/glsl/misc/uniform-location-length-limits.html
 conformance/renderbuffers/framebuffer-object-attachment.html