Revert "DB-1933 fix remove coprocessor does not update coprocessor list"

This reverts commit 0eef01ca8d3fe01095ed7fe1069c1e3ef6a04296.
Revert "DB-2244 Two phase split policy with condition"

This reverts commit 5ee8988c6a7d4f48c4efa7faae80e29b7120b3bd.
Revert "DB-2180 renamed main class"

This reverts commit afdcd5935d55aa097bf603dacdb061fa3bf97c96.
Revert "DB-2175 fix"

This reverts commit 86e294d5c348f052cc3186d0667e6bfaa7f1222e.
Revert "DB-2180 fix"

This reverts commit 847331e75785bb3590223f22f9271f8163ad82a3.
Revert "DB-1933 patch"

This reverts commit 1a318d01c4a911f7461322ccef481fb8a92d8950.