[LyX/master] Cmake build: Remove references to remowed hunspell directories

[Kornel Benko]

commit bce49b877e8c75259993d09b75bf6e16481e7c68
Author: Kornel Benko <kornel at lyx.org>
Date:   Mon Dec 21 09:11:48 2020 +0100

    Cmake build: Remove references to remowed hunspell directories
    
    Amends d04a8cf5
---
 3rdparty/hunspell/CMakeLists.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/3rdparty/hunspell/CMakeLists.txt b/3rdparty/hunspell/CMakeLists.txt
index 663f5ad..389524b 100644
--- a/3rdparty/hunspell/CMakeLists.txt
+++ b/3rdparty/hunspell/CMakeLists.txt
@@ -15,7 +15,7 @@ set(HUNSPELL_VERSION 1.7.0)
 
 set(SRCDIR ${CMAKE_CURRENT_SOURCE_DIR}/${HUNSPELL_VERSION}/src)
 
-include_directories(./ ${SRCDIR}/hunspell ${SRCDIR}/parsers ${SRCDIR}/tools)
+include_directories(./ ${SRCDIR}/hunspell)
 
 if(WIN32)
     include_directories(${SRCDIR}/win_api)