Disable unity build for OdbReader

Unity build was recently broken, hard to find source to the broken build. Few files in this library, no unity build is required.

ApplicationLibCode/GeoMech/OdbReader/CMakeLists.txt

@@ -1,11 +1,5 @@
 project(RifOdbReader)
 
-# Unity Build
-if(RESINSIGHT_ENABLE_UNITY_BUILD)
-  message("Cmake Unity build is enabled on : ${PROJECT_NAME}")
-  set(CMAKE_UNITY_BUILD true)
-endif()
-
 if(MSVC)
   add_definitions(-DHKS_NT)
   add_definitions(-DABQ_WIN86_64)