also remove reporter struct from sdl and openvr mock

tests/src/mocks/openvr_mock.cpp

@@ -38,8 +38,6 @@ OpenVRMock openvr_mock;
 #pragma clang diagnostic pop
 #endif
 
-extern template struct trompeloeil::reporter<trompeloeil::specialized>;
-
 namespace vr {
 
 extern "C" {

tests/src/mocks/sdl_mock.cpp

@@ -33,8 +33,6 @@ SdlMock sdl_mock;
 #pragma clang diagnostic pop
 #endif
 
-extern template struct trompeloeil::reporter<trompeloeil::specialized>;
-
 extern "C" {
 int SDL_Init(Uint32 flags) { return sdl_mock.Get().SDL_Init(flags); }
 int SDL_InitSubSystem(Uint32 flags) {