Update KernelAbstraction rep (#180)

Author: maximilian-gelbrecht

Project.toml

@@ -27,7 +27,7 @@ ChainRulesCore = "1"
 DiffRules = "1"
 FillArrays = "0.11, 0.12, 0.13, 1"
 ForwardDiff = "0.10"
-KernelAbstractions = "0.7.2, 0.8, 0.9"
+KernelAbstractions = "0.9"
 LoopVectorization = "0.12.101"
 NamedDims = "0.2"
 OffsetArrays = "1"