Revert "msccl: build same number of kernels as in ROCm 5.7" (#1058)

This reverts commit f960174d03be7e5174baa83b256526d388a38842.

src/include/msccl/msccl_kernel.h

@@ -40,9 +40,7 @@ __global__ void MSCCL_KERNEL_ENTRY_NAME(devredop, type, proto, fullOps)(struct n
   MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(Sum, false) \
   MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(Prod, false) \
   MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(Max, false) \
-  MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(Min, false) \
-  MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(PreMulSum, false) \
-  MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP_NOFLOAT(SumPostDiv, false)
+  MSCCL_DECL_KERNEL_ENTRY_FUNC_DEVREDOP(Min, false)
 
 MSCCL_DECL_KERNEL_ENTRY_FUNC()