Install ccmake docs to /usr/share/doc/cmake-curses-gui

Signed-off-by: Modestas Vainius <modestas@vainius.eu>

debian/cmake-curses-gui.install

@@ -1,5 +1,3 @@
 usr/bin/ccmake
-usr/share/doc/cmake/ccmake.docbook
+usr/share/doc/cmake/ccmake.* usr/share/doc/cmake-curses-gui/
-usr/share/doc/cmake/ccmake.html
-usr/share/doc/cmake/ccmake.txt
 usr/share/man/man1/ccmake.1