Remove novice/sql namespace

Now that these lessons are in a single branch, the extra namespacing
is no longer needed.

diff --git a/novice/sql/.gitignore b/.gitignore
similarity index 100%
rename from novice/sql/.gitignore
rename to .gitignore

diff --git a/novice/sql/01-select.ipynb b/01-select.ipynb
similarity index 100%
rename from novice/sql/01-select.ipynb
rename to 01-select.ipynb

diff --git a/novice/sql/02-sort-dup.ipynb b/02-sort-dup.ipynb
similarity index 100%
rename from novice/sql/02-sort-dup.ipynb
rename to 02-sort-dup.ipynb

diff --git a/novice/sql/03-filter.ipynb b/03-filter.ipynb
similarity index 100%
rename from novice/sql/03-filter.ipynb
rename to 03-filter.ipynb

diff --git a/novice/sql/04-calc.ipynb b/04-calc.ipynb
similarity index 100%
rename from novice/sql/04-calc.ipynb
rename to 04-calc.ipynb

diff --git a/novice/sql/05-null.ipynb b/05-null.ipynb
similarity index 100%
rename from novice/sql/05-null.ipynb
rename to 05-null.ipynb

diff --git a/novice/sql/06-agg.ipynb b/06-agg.ipynb
similarity index 100%
rename from novice/sql/06-agg.ipynb
rename to 06-agg.ipynb

diff --git a/novice/sql/07-join.ipynb b/07-join.ipynb
similarity index 100%
rename from novice/sql/07-join.ipynb
rename to 07-join.ipynb

diff --git a/novice/sql/08-create.ipynb b/08-create.ipynb
similarity index 100%
rename from novice/sql/08-create.ipynb
rename to 08-create.ipynb

diff --git a/novice/sql/09-prog.ipynb b/09-prog.ipynb
similarity index 100%
rename from novice/sql/09-prog.ipynb
rename to 09-prog.ipynb

diff --git a/novice/sql/README.txt b/README.txt
similarity index 100%
rename from novice/sql/README.txt
rename to README.txt

diff --git a/novice/sql/gen-survey-database.sql b/gen-survey-database.sql
similarity index 100%
rename from novice/sql/gen-survey-database.sql
rename to gen-survey-database.sql

diff --git a/novice/sql/img/sql-aggregation.odg b/img/sql-aggregation.odg
similarity index 100%
rename from novice/sql/img/sql-aggregation.odg
rename to img/sql-aggregation.odg

diff --git a/novice/sql/img/sql-aggregation.svg b/img/sql-aggregation.svg
similarity index 100%
rename from novice/sql/img/sql-aggregation.svg
rename to img/sql-aggregation.svg

diff --git a/novice/sql/img/sql-filter.odg b/img/sql-filter.odg
similarity index 100%
rename from novice/sql/img/sql-filter.odg
rename to img/sql-filter.odg

diff --git a/novice/sql/img/sql-filter.svg b/img/sql-filter.svg
similarity index 100%
rename from novice/sql/img/sql-filter.svg
rename to img/sql-filter.svg

diff --git a/novice/sql/index.md b/index.md
similarity index 100%
rename from novice/sql/index.md
rename to index.md

diff --git a/novice/sql/sqlitemagic.py b/sqlitemagic.py
similarity index 100%
rename from novice/sql/sqlitemagic.py
rename to sqlitemagic.py