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

This reverts commit 195f8be6b61edc66c53ff29273efa01aedbc20e1.
Revert "DB-2244 Two phase split policy with condition"

This reverts commit 8abe160f60d4d7bfb45a395be8a62dc63aebf660.
Revert "DB-2180 renamed main class"

This reverts commit e9480b6416ed94a955b44564071c544c07186928.
Revert "DB-2175 fix"

This reverts commit 0311685f4682b06c3ce6896490e68227cc1e8329.
Revert "DB-2180: DoublePhaseRegionSplitPolicy"

This reverts commit 31362196663965f03b4c673180a1665a70cd8923.
Revert "DB-1933 patch.3 addendum"

This reverts commit a96333a92d3c2c17273161db746f91019697b216.
Revert "DB-1933 V.3"

This reverts commit 659f4702637c687c2bc7d9e1a44b4bcd02726634.
Revert "DB-1933 addedndum"

This reverts commit c922e2aa1a3a0ada5b82f5938b0f474d24cc81c6.
Revert "DB-1933 patch - too many iterators in RegionCoprocessorHost"

This reverts commit fd6a51ad5ebd1dfdc1b214307693cccb1f2e0933.