Cleanup.

tools/texturev/texturev.cpp

@@ -1884,7 +1884,6 @@ int _main_(int _argc, char** _argv)
 					if (ImGui::BeginChild("##file_list", ImVec2(0.0f, 0.0f) ) )
 					{
 						ImGui::PushFont(ImGui::Font::Mono);
-						const float itemHeight = ImGui::GetTextLineHeightWithSpacing();
 						const float listHeight =
 							  bx::max(1.0f, bx::floor(ImGui::GetWindowHeight()/itemHeight) )
 							* itemHeight