Remove backward compat `--no-error` option

bin/pyenv-sh-activate

@@ -35,10 +35,6 @@ while [ $# -gt 0 ]; do
   "-f" | "--force" )
     FORCE=1
     ;;
-  "--no-error" )
-    # for backward compatibility with v20151103 and earlier
-    QUIET=1
-    ;;
   "-q" | "--quiet" )
     QUIET=1
     ;;

bin/pyenv-sh-deactivate

@@ -21,10 +21,6 @@ while [ $# -gt 0 ]; do
   "-f" | "--force" )
     FORCE=1
     ;;
-  "--no-error" )
-    # for backward compatibility with v20151103 and earlier
-    QUIET=1
-    ;;
   "-q" | "--quiet")
     QUIET=1
     ;;