move batting, pitching, fielding

sql/2nf/batting.sql

@@ -1,3 +0,0 @@
-begin;
-alter table batting drop column "lgID";
-commit;

sql/2nf/fielding.sql

@@ -1,3 +0,0 @@
-begin;
-alter table fielding drop column "lgID";
-commit;

sql/2nf/pitching.sql

@@ -1,3 +0,0 @@
-begin;
-alter table pitching drop column "lgID";
-commit;