video_core/engines/engine_upload: Remove unnecessary const on parameters in function declarations

These only apply in the definition of the function. They can be omitted
from the declaration.

src/video_core/engines/engine_upload.h

@@ -57,8 +57,8 @@ public:
     State(MemoryManager& memory_manager, Registers& regs);
     ~State() = default;
 
-    void ProcessExec(const bool is_linear);
-    void ProcessData(const u32 data, const bool is_last_call);
+    void ProcessExec(bool is_linear);
+    void ProcessData(u32 data, bool is_last_call);
 
 private:
     u32 write_offset = 0;