Remove KateTextBlockTest & Unexport internal classes
- The stuff that this test covers is already covered by many other tests since a block is a basic thing in KTextEditor. Moreover, it does the tests in a different way from what the reality is i.e., creating raw blocks with a dummy buffer. Its just bogus.
It also seems to be the only thing that needs Kate::TextRange exported.
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- Unexport Kate::TextRange, TextLineData, TextHistory, TextBlock. These are internal classes.
Edited by Waqar Ahmed