remove outdated documentation; fix unrelated typo

9 jobs for improve_FuncConvolutionOperator in 7 minutes and 56 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #889500
build_docker_from_cache

00:00:17

 
  Test
passed #889502
test_mpi

00:04:09

passed #889501
test_serial

00:04:43

81.0%
 
  Demo Runs
passed #889507
run_bernoulli

00:00:28

passed #889508
run_curve_fitting

00:00:26

passed #889504
run_getting_started_1

00:00:32

passed #889505
run_getting_started_2

00:01:11

passed #889506
run_getting_started_3

00:02:54

passed #889503
run_ipynb

00:01:25