remove check for use_ipolates = 3

wgrib2/CMakeLists.txt

@@ -119,20 +119,6 @@ if(USE_IPOLATES)
 
 endif()
 
-if(USE_IPOLATES EQUAL 3)
-  target_link_libraries(obj_lib PUBLIC ip2::ip2_d)
-
-  # Link to the Fortran runtime library for each compiler if using ip2.
-  # The wgrib2 exectuable is created using the C compiler and
-  # doesn't link the necessary Fortran library required for ip2.
-  if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel)$")
-    target_link_libraries(wgrib2_exe PRIVATE "-lifcore")
-  elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
-    target_link_libraries(wgrib2_exe PRIVATE "-lgfortran")
-  endif()
-
-endif()
-
 target_link_libraries(obj_lib PUBLIC gctpc -lm)
 
 # Link to gctpc directly because oobject libraries do not link transitively