Bug 1088417 - Switch from REPEAT to CLAMP for D3D11. - r=nical

gfx/layers/d3d11/CompositorD3D11.cpp

@@ -210,7 +210,6 @@ CompositorD3D11::Initialize()
     }
 
     CD3D11_SAMPLER_DESC samplerDesc(D3D11_DEFAULT);
-    samplerDesc.AddressU = samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
     hr = mDevice->CreateSamplerState(&samplerDesc, byRef(mAttachments->mLinearSamplerState));
     if (FAILED(hr)) {
       return false;