While movinf RPKI to FRR reload I noticed that I can no longer delete RPKI.
```
modify_section: starting search for 'rpki' until '\\S+'
_find_first_block: find start='rpki$' stop='\\S+' start_at=0
_find_first_block: no match 0 "!"
_find_first_block: no match 1 "frr version 7.3.1-20210124-00-g293395038"
_find_first_block: no match 2 "frr defaults traditional"
_find_first_block: no match 3 "hostname vyos"
_find_first_block: no match 4 "log syslog"
_find_first_block: no match 5 "log facility local7"
_find_first_block: no match 6 "agentx"
_find_first_block: Found start 7 "rpki"
_find_first_block: no match 8 " rpki polling_period 600"
_find_first_block: no match 9 " rpki cache 1.1.1.1 8080 preference 1"
_find_first_block: no match 10 " exit"
_find_first_block: Found stop 11 "service integrated-vtysh-config"
modify_section: found match between 7 and 11
modify_section: remove 7 rpki
modify_section: remove 8 rpki polling_period 600
modify_section: remove 9 rpki cache 1.1.1.1 8080 preference 1
modify_section: remove 10 exit
modify_section: add 7
_find_first_block: find start='rpki$' stop='\\S+' start_at=8
_find_first_block: no match 8 "service integrated-vtysh-config"
_find_first_block: no match 9 "!"
_find_first_block: no match 10 "line vty"
_find_first_block: no match 11 "!"
_find_first_block: no match 12 "end"
_find_first_block: exit start={repr(start_pattern)} stop={repr(stop_pattern)} start_at={start_at}
modify_section: No more config sections found, exiting
_find_first_element: find start="(ip prefix-list .*|route-map .*|line vty)" start_at=0
_find_first_element: no match 0 "!"
_find_first_element: no match 1 "frr version 7.3.1-20210124-00-g293395038"
_find_first_element: no match 2 "frr defaults traditional"
_find_first_element: no match 3 "hostname vyos"
_find_first_element: no match 4 "log syslog"
_find_first_element: no match 5 "log facility local7"
_find_first_element: no match 6 "agentx"
_find_first_element: no match 7 ""
_find_first_element: no match 8 "service integrated-vtysh-config"
_find_first_element: no match 9 "!"
_find_first_element: Found stop 10 "line vty"
add_before: add 10
commit_configuration: Commiting configuration
commit_configuration: Commiting configuration
commit_configuration: Commiting configuration
commit_configuration: Commiting configuration
commit_configuration: Commiting configuration
commit_configuration: Commiting configuration
{}
vyos@vyos# vtysh -c "show run"
Building configuration...
Current configuration:
!
frr version 7.3.1-20210124-00-g293395038
frr defaults traditional
hostname vyos
log syslog
log facility local7
agentx
rpki
rpki polling_period 600
rpki cache 1.1.1.1 8080 preference 1
exit
service integrated-vtysh-config
!
interface eth0.201
ip ospf authentication message-digest
ip ospf message-digest-key 10 md5 ospfmybllnet
!
router ospf
ospf router-id 172.18.254.201
log-adjacency-changes
auto-cost reference-bandwidth 100
timers throttle spf 200 1000 10000
passive-interface default
no passive-interface eth0.201
network 172.18.201.0/24 area 0
network 172.18.254.201/32 area 0
!
line vty
!
end
```