[QC-369] Drop deprecated methods dealing with JSON objects from CCDB.

[Barthelemy]

No description provided.

[knopers8]

the error is legit:

[ 41%] Linking CXX shared library ../../lib/libO2QcExample.so
/mnt/mesos/sandbox/sandbox/qualitycontrol/sw/SOURCES/QualityControl/build_QualityControl_o2/0/Framework/test/testCcdbDatabase.cxx:43:17: error: 'rapidjson' is not a namespace-name
 using namespace rapidjson;
                 ^~~~~~~~~
/mnt/mesos/sandbox/sandbox/qualitycontrol/sw/SOURCES/QualityControl/build_QualityControl_o2/0/Framework/test/testCcdbDatabase.cxx:43:26: error: expected namespace-name before ';' token
 using namespace rapidjson;
                          ^

[Barthelemy]

Indeed, it is fixed.

[Barthelemy]

I will check why testCheckWorkflow is timing out.