And keep only whichever of the following you like (be aware that Sahadeva has "Calcutta"-style vowels, and that NotoSans doesn't have conjuncts for अङ्ग and खड्ग, and Kalimati doesn't do the conjuct श्च... so basically you could probably just keep fonts-nakula and nothing else, but Nakula is also a distinctive and "light" font; your tastes may differ):
fonts-deva-extra
/usr/share/fonts/truetype/fonts-deva-extra/chandas1-2.ttf
/usr/share/fonts/truetype/fonts-deva-extra/kalimati.ttf
/usr/share/fonts/truetype/fonts-deva-extra/samanata.ttf
fonts-nakula
/usr/share/fonts/truetype/Nakula/nakula.ttf
fonts-noto
/usr/share/fonts/truetype/noto/NotoSansDevanagariUI-Bold.ttf
/usr/share/fonts/truetype/noto/NotoSansDevanagari-Regular.ttf
/usr/share/fonts/truetype/noto/NotoSansDevanagariUI-Regular.ttf
/usr/share/fonts/truetype/noto/NotoSansDevanagari-Bold.ttf
fonts-sahadeva
/usr/share/fonts/truetype/Sahadeva/sahadeva.ttf