validation/aggregating/pipeline/validations_on_sparse_datasources.odg: removed = lines for each input query, because they clutter up the diagram and the "same, so don't need to rewrite" message now shows this as well

validation/aggregating/pipeline/validations_on_sparse_datasources.odg: added the denormalized VegCore schema approach for comparison, as requested by Mark

schemas/vegbien.sql: remake_diff_tables(schema text): removed bien2_traits runtime because this applies only to one datasource. the bien2_traits runtime is now documented in inputs/bien2_traits/run.

inputs/NY/run: `make inputs/NY/validate`: updated runtime (6.5 min). this increases as more queries are able to run successfully.

schemas/vegbien.sql: public_validations: schema comment: documented how to run the validations. this information is also in the usage comment for public_validations.remake_diff_table(), but is copied here for easy reference.

inputs/SALVIAS/run_: `make inputs/SALVIAS/validate`: documented runtime (5 min)

inputs/bien2_traits/run: documented `make inputs/bien2_traits/validate` runtime (9 min)

schemas/vegbien.sql: public_validations: specimens queries: added autogenerated ~type tables

inputs/NY/run: `make inputs/NY/validate`: updated runtime (5 min)

validation/aggregating/specimens/qualitative_validations_specimens.sql: removed DDL statements, using the steps at wiki.vegpath.org/Aggregating_validations_refactoring#remove-DDL-statements