* remove python connector source code from TDengine

for master

* [TD-14358]<fix>: remove python connector source code from TDengine

for 2.4

* remove line_insert.py as master has no cap to do

* disable schemalessInsert.py for master

* restore .gitmodules for master

* Revert "[TD-13408]<test>: move tests out"

This reverts commit 16a385a8336e66c4d247ac0bc6aa07e7e1e39dc8.

* immigrate file change from stand-alone repo to TDengine

for master

* remove tests repository checkout

* remove examples in CMakeLists.txt
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

* [TD-13408]<test>: move example back

for master

* modify packing script

* update tests for master

* [TD-13408]<test>: move tests out

for master branch

* add Jenkinsfile2
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

[TD-1026](query,insert,other,connector,tools):fix test case so that it can generate new table name when tablename is all lower

[TS-2016](query,insert,other,connector,tools):fix app error of select from (select * from empty_stable) by set subquery command to retrieve empty results

change jdbc version