Replace erroneous inbounds function annotation with inline

See #33886 (comment)

Author: ararslan

base/array.jl

@@ -177,7 +177,7 @@ false
 isbitsunion(u::Union) = allocatedinline(u)
 isbitsunion(x) = false
 
-@inbounds function _unsetindex!(A::Array{T}, i::Int) where {T}
+@inline function _unsetindex!(A::Array{T}, i::Int) where {T}
     @boundscheck checkbounds(A, i)
     t = @_gc_preserve_begin A
     p = Ptr{Ptr{Cvoid}}(pointer(A, i))