I recommend downloading this mod instead - https://mods.factorio.com/mod/fewer-quality-tiers
For letting you clear the tech screen, especially with https://mods.factorio.com/mod/no-infinite-technology
Removes the Epic and Legendary quality technologies while keeping Uncommon and Rare Also removes the UI icons for Epic and Legendary thanks to IsaacOscar, basically their mod
Small changes concerning balance, gameplay, or graphics.
I recommend downloading this mod instead - https://mods.factorio.com/mod/fewer-quality-tiers
For letting you clear the tech screen, especially with https://mods.factorio.com/mod/no-infinite-technology