Issue #1854480 by xjm, fago, jhodgdon, YesCT, tim.plunkett, davidhernandez, cweagans, Crell, Bojhan, David_Rothstein, chx, rcross, LewisNyman, bowersox, Frando, ParisLiakos, yched: Remove inactive maintainers from MAINTAINERS.txt (cherry picked from commit 982a7905)