VideoCore: #ifdef out some debugging routines

Some disabled debugging functionality was being called from rendering
routines in VideoCore. Although disabled, many of them still allocated
memory or did some extra work that was enough to show up in a profiler.
Gives a slight (~2ms) speedup.

src/video_core/vertex_shader.cpp

@@ -582,9 +582,11 @@ OutputVertex RunShader(const InputVertex& input, int num_attributes, const Regs:
     state.conditional_code[1] = false;
 
     ProcessShaderCode(state);
+#if PICA_DUMP_SHADERS
     DebugUtils::DumpShader(setup.program_code.data(), state.debug.max_offset, setup.swizzle_data.data(),
                            state.debug.max_opdesc_id, config.main_offset,
                            g_state.regs.vs_output_attributes); // TODO: Don't hardcode VS here
+#endif
 
     // Setup output data
     OutputVertex ret;