Remove unused code

src/video_core/host1x/nvdec.cpp

@@ -34,10 +34,6 @@ void Nvdec::ProcessMethod(u32 method, u32 argument) {
         CreateDecoder(static_cast<NvdecCommon::VideoCodec>(argument));
         break;
     case NVDEC_REG_INDEX(execute): {
-        if (wait_needed) {
-            std::this_thread::sleep_for(std::chrono::milliseconds(32));
-            wait_needed = false;
-        }
         Execute();
     } break;
     }

src/video_core/host1x/nvdec.h

@@ -28,10 +28,6 @@ public:
         return syncpoint;
     }
 
-    void SetWait() {
-        wait_needed = true;
-    }
-
 private:
     /// Create the decoder when the codec id is set
     void CreateDecoder(NvdecCommon::VideoCodec codec);
@@ -45,7 +41,6 @@ private:
 
     NvdecCommon::NvdecRegisters regs{};
     std::unique_ptr<Decoder> decoder;
-    bool wait_needed{false};
 };
 
 } // namespace Host1x