~ remove locking when setting pixel

src/vkvm.cpp

@@ -67,7 +67,7 @@ namespace vkvm {
         if (x > getWidth() || y > getHeight()) {
             return false;
         }
-        lockSharedMemory();
+        //lockSharedMemory();
         auto reg = getRegisters();
         const int bitsPerPixel = 8;
 
@@ -111,7 +111,7 @@ namespace vkvm {
                 break;
             }
         }
-        unlockSharedMemory();
+        //unlockSharedMemory();
         return true;
     }