Merge branch 'delete-broken-operator' into 'master'

Delete broken operators

See merge request !49
9 jobs for master in 9 minutes and 42 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed clang-c++11 #67884
Linux

00:03:45

passed cppcheck #67886
Linux

00:00:50

passed doc #67891
Linux

00:00:21

passed gcc-c++11 #67883
Linux

00:02:03

passed macos-c++11 #67885
Apple

00:01:40

passed VS2015-32-bit #67890
VS2015

00:01:09

passed VS2015-64-bit #67889
VS2015

00:01:21

passed VS2017-32-bit #67888
VS2017

00:01:09

passed VS2017-64-bit #67887
VS2015

00:01:27