fixup! fixup! fixup! Support UnsafeAtomics 0.3

Author: vchuravy

Project.toml

@@ -15,7 +15,6 @@ Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
-UnsafeAtomics = "013be700-e6cd-48c3-b4a1-df204f14c38f"
 
 [compat]
 Adapt = "0.4, 1.0, 2.0, 3.0, 4"
@@ -29,7 +28,6 @@ Requires = "1.3"
 SparseArrays = "<0.0.1, 1.6"
 StaticArrays = "0.12, 1.0"
 UUIDs = "<0.0.1, 1.6"
-UnsafeAtomics = "0.2.1, 0.3"
 julia = "1.6"
 
 [extensions]

src/KernelAbstractions.jl

@@ -10,7 +10,6 @@ export synchronize, get_backend, allocate
 import PrecompileTools
 
 import Atomix: @atomic, @atomicswap, @atomicreplace
-import UnsafeAtomics
 
 using MacroTools
 using StaticArrays