* [proj4] Update to version 6.2.1; disable exporting symbols for static libraries

* Remove deprecated function

Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>

* [proj4]Upgrade version to 6.1.1 and remove useless patches.

* [libgeotiff]Fix build errors using proj4 6.1.1.

* [libspatialite]Fix build errors using proj4 6.1.1.

* [gdal]Fix build errors using proj4 6.1.1.

* [spatialite-tools]Fix build errors using proj4 6.1.1.

* [spatialite-tools]Fix build errors using proj4 6.1.1.

* [libgeotiff]Re-fix build errors using proj4 6.1.1.

* [vtk]Fix build errors using proj4 6.1.1.

* [proj4]Fix find sqlite binary failure.

* [proj4]Disable build tools when building proj4 in arm/uwp.

* [sqlite3/libgeotiff]Fix libdl library linkage. Re-fix use proj issue.

* add back dl libs

* [gdal]Fix dependent port proj library name.

* [proj4]Set Windows library name to "proj" and revert fix-proj-name changes.

* [liblas]Fix build errors using proj4 6.1.1.

* [liblas]Fix build errors using proj4 6.1.1.

* [liblas]Fix build errors using proj4 6.1.1.

* [proj4]Fix feature database on triplet arm/uwp.

* [gdal]Remove useless flag PROJ_STATIC.

* [proj4]Fix build error on x64-windows-static.

* [liblas]Use find_library to get proj4/sqlite3 libraries.

* [proj4]Fix sqlite dependency.

* [proj4]Fix arm/uwp dependency.

* [proj4]Fix linux build: configure error.

* [proj4]Disable export proj4 namespace.

* [liblas]Delete proj dependency.

* [libspatialite]Fix linux build.

* [libspatialite]Fix linux command.

* [libspatialite]Fix configure error.

* [proj4]fix static cmake tools path.

* [libgeotiff]Set configure options to 1/0 to avoid the "if" comparison failure in config.cmake.
[proj4]Revert changes about namespace.
[liblas]Remove FindPROJ4.cmake and FindGeoTIFF.cmake from the source.

* [vtk]Fix using latest proj4 issue.

* [proj4]Delete missing patch.