ENH: do not include curl headers outside CurlAdapter dir

CMake/otbIncludeDirectories.cmake

@@ -115,11 +115,6 @@ ELSEIF(OTB_USE_EXTERNAL_LIBKML)
       ${OTB_SOURCE_DIR}/Utilities/otbkml/src)
 ENDIF(OTB_USE_EXTERNAL_LIBKML)
 
-IF(OTB_USE_CURL)
-  SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_INCLUDE_DIRS_BUILD_TREE}
-  	${CURL_INCLUDE_DIR} )
-ENDIF(OTB_USE_CURL)
-
 IF(OTB_USE_MAPNIK)
   SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_INCLUDE_DIRS_BUILD_TREE}
   	${MAPNIK_INCLUDE_DIR} ${FREETYPE2_INCLUDE_DIR})
@@ -324,12 +319,6 @@ IF(OTB_USE_EXTERNAL_EXPAT)
 ELSE(OTB_USE_EXTERNAL_EXPAT)
 ENDIF(OTB_USE_EXTERNAL_EXPAT)
 
-#For CURL header file
-IF(OTB_USE_CURL)
-  SET(OTB_INCLUDE_ABSOLUE_DIRS ${OTB_INCLUDE_ABSOLUE_DIRS}
-  	${CURL_INCLUDE_DIR} )
-ENDIF(OTB_USE_CURL)
-
 #For MAPNIK header file
 IF(OTB_USE_MAPNIK)
   SET(OTB_INCLUDE_ABSOLUE_DIRS ${OTB_INCLUDE_ABSOLUE_DIRS}