Remove Requires dependency (#485)

Author: christiangnrd

Project.toml

@@ -8,7 +8,6 @@ LLVMExtra_jll = "dad2f222-ce93-54a1-a47d-0025e8a3acab"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
-Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 
 [weakdeps]
@@ -24,7 +23,6 @@ LLVMExtra_jll = "=0.0.34"
 Libdl = "1.8"
 Preferences = "1.4"
 Printf = "1.8"
-Requires = "1.3"
 Unicode = "1.8"
 julia = "1.10"
 

ext/BFloat16sExt.jl

@@ -3,7 +3,7 @@ module BFloat16sExt
 using LLVM
 using LLVM: API
 
-isdefined(Base, :get_extension) ? (using BFloat16s) : (using ..BFloat16s)
+using BFloat16s
 
 ## constant values
 

src/LLVM.jl

@@ -7,10 +7,6 @@ using Libdl
 
 using CEnum
 
-if !isdefined(Base, :get_extension)
-    using Requires: @require
-end
-
 
 ## source code includes
 
@@ -119,12 +115,6 @@ function __init__()
                   Please re-compile Julia and LLVM.jl (but note that USE_SYSTEM_LLVM is not a supported configuration)."""
     end
 
-    @static if !isdefined(Base, :get_extension)
-        @require BFloat16s = "ab4f0b2a-ad5b-11e8-123f-65d77653426b" begin
-            include("../ext/BFloat16sExt.jl")
-        end
-    end
-
     _install_handlers()
     atexit(report_leaks)
 end