How to make node disappear It seems to make the value node disappear while connecting it to group input. I've tried different combinations and have node wrangler on but I'm not sure how to get it. I'm also unclear as to exactly what it does, that you couldn't do without the shortcut. From this video.
First they use a Node Wrangler shortcut.  They're doing a Shift +  RMB and drawing a line over the two noodles coming out of the Value node.
This command combines the two noodles into a Reroute node that splits out to its two destinations.
Then they delete the Value node and bring a new input over from the Group Input.  Essentially they've recreated the Value node as a slider on the node group.