Fix compiling examples without Hive

[azat]

Skip compiling comma_separated_streams since it requires Hive.

Changelog category (leave one):

• Not for changelog (changelog entry is not required)

[rschu1ze]

Verified locally that there is a problem when hive is off and that the PR resolves it. No general objections.

But: It would perhaps a bit more elegant to keep the CMakeLists as is, and instead

• #include "config.h" into comma_separated_streams.cpp" and
• wrap all contained contained code in #if USE_HIVE (see Processors/Formats/Impl/HiveTextRowInputFormat.h which is the source of the trouble).

[azat]

#include "config.h" into comma_separated_streams.cpp" and

Yes, I thought about this, but this example comma_separated_streams.cpp does not work without Hive anyway, and even main function will be empty, so decided to exclude from cmake instead