[Refactor] Rename NVM_CPU_THREADS to NVM_CPU_CORES
[Refactor] Rename NVM_CPU_THREADS to NVM_CPU_CORES

PeterDaveHello/nvm,creationix/nvm,creationix/nvm,ljharb/nvm,ljharb/nvm,PeterDaveHello/nvm,evocateur/nvm,edwmurph/nvm,PeterDaveHelloKitchen/nvm,PeterDaveHelloKitchen/nvm,edwmurph/nvm,evocateur/nvm