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

This reverts commit 5783c270a63d35058b9beda4b04f3887e47b19c1.
Revert "DB-2244 Two phase split policy with condition"

This reverts commit a138bf66c00335eb52cbf8714775869dc5209388.
Revert "DB-2180 renamed main class"

This reverts commit 8a2b413c30435cd6cc7fb233efb9ba3615b1898d.
Revert "DB-2175 fix"

This reverts commit 39c136afaa4b9da41a8f7024d5e580a39afa9ef4.
Revert "DB-2180: DoublePhaseRegionSplitPolicy"

This reverts commit beff00482421ed6779731646fb4de500b4603ba5.
Revert "HBase-10501 patch: improve IncreasingToUpperBoundRegionSplitPolicy"

This reverts commit 942742b8bfb0bc657cef0ca368a1a9728b1fc3be.
Revert "DB-1933 patch.3 addendum"

This reverts commit 8067b9a66f83318cf058e0090e4ef25c8d8a7340.
Revert "DB-1933 V.3"

This reverts commit 6c1ec4a6c8b1050c4099d8fcce6166563a4ff67d.
Revert "DB-1933 addedndum"

This reverts commit 12a7409dfaee06679f696a751981ac326c9d507e.
Revert "DB-1933 patch - too many iterators in RegionCoprocessorHost"

This reverts commit d589891c9f15469c35d4b4a1c8257bc4fc1d64de.