modif: drop deprecated 'shell' option references (#5894)

The `shell` option has been removed. Remove stale references.

This does NOT remove `shell none`-related code comments in:

- src/firejail/fs_lib.c (L433-L441)
- src/firejail/join.c (L415-L417)

Relates to #5196.

Suggested by #5891.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/fbuilder/build_profile.c b/src/fbuilder/build_profile.c
index 75f1c10d7..96ddd79fb 100644
--- a/src/fbuilder/build_profile.c
+++ b/src/fbuilder/build_profile.c
@@ -143,7 +143,6 @@ void build_profile(int argc, char **argv, int index, FILE *fp) {
                 fprintf(fp, "#novideo\t# disable video capture devices\n");
                 build_protocol(trace_output, fp);
                 fprintf(fp, "seccomp !chroot\t# allowing chroot, just in case this is an Electron app\n");
-                fprintf(fp, "shell none\n");
                 fprintf(fp, "#tracelog\t# send blacklist violations to syslog\n");
                 fprintf(fp, "\n");