Split precompile constants out of individual modules #2081

[Ayushdubey86]

This should do it, not much sure about indentations though. do let me know if it requires any further change @rakita!
pr being for this issue

i have addressed this issue as well
"This does not look great. Can you create one bls12_381_const.rs file, scan all bls12 files for constant and move them to that file?"

[codspeed-hq]

CodSpeed Performance Report

Merging #2085 will not alter performance

_{Comparing Ayushdubey86:Split-Precompile-Constants-out-of-Individual-Modules-#2081 (ec26a86) with main (c525b5e)}

Summary

✅ 8 untouched benchmarks