LYN-3069 Revert some 3rdparty changes and address issue (#185)

* renaming and organizing files

* removed unused files

* Removing unnecessary file

* moved file

* reverting movement of 3rdparty associations from gems to global

* removing unnecessary calls to ly_add_external_target_path

* fixing install prefix of ci_build

* Fixes to get 3rdparties declared in gems to be installed

* Allowing to install just one configuration

* Adding empty line at the end

* removing commented code

* setting IMPORETD_LOCATION_<CONFIG> and defaulting IMPORTED_LOCATION to the profile config in case other configs are not installed

Code/Tools/SceneAPI/FbxSDKWrapper/CMakeLists.txt

@@ -9,13 +9,11 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 
-set(sdkwrapper_dir ${CMAKE_CURRENT_LIST_DIR}/../SDKWrapper)
-
 if (NOT PAL_TRAIT_BUILD_HOST_TOOLS)
     return()
 endif()
 
-ly_get_list_relative_pal_filename(pal_dir ${CMAKE_CURRENT_LIST_DIR}/Platform/${PAL_PLATFORM_NAME})
+set(sdkwrapper_dir ${CMAKE_CURRENT_LIST_DIR}/../SDKWrapper)
 
 ly_add_target(
     NAME FbxSDKWrapper STATIC