Remove two inlines slowing down GLTF TTFX on Julia v1.10.3 and bloating compiled dll sizes on Julia v1.10 and v1.11

[jaakkor2]

Remove two inlines slowing down GLTF TTFX on Julia v1.10.3 and bloating compiled dll sizes on Julia v1.10 and v1.11.
Fixes #279.

Before

v1.10.3

@time using GLTF; @time load(joinpath(pkgdir(GLTF), "assets", "DamagedHelmet.gltf"));
  0.122459 seconds (109.06 k allocations: 7.716 MiB)
  5.278717 seconds (3.35 M allocations: 166.804 MiB, 0.44% gc time, 99.99% compilation time)

6TsRJ_9EZ8v.dll 41 MB

v1.11.0-beta2

@time using GLTF; @time load(joinpath(pkgdir(GLTF), "assets", "DamagedHelmet.gltf"));
  0.205132 seconds (139.25 k allocations: 8.620 MiB)
  0.000295 seconds (459 allocations: 27.164 KiB)

6TsRJ_6Xhya.dll 201 MB

After

v1.10.3

@time using GLTF; @time load(joinpath(pkgdir(GLTF), "assets", "DamagedHelmet.gltf"));
  0.112920 seconds (97.59 k allocations: 7.255 MiB)
  0.382297 seconds (688.95 k allocations: 50.071 MiB, 2.85% gc time, 99.85% compilation time)

6TsRJ_bCVAr.dll 16 MB

v1.11.0-beta2

@time using GLTF; @time load(joinpath(pkgdir(GLTF), "assets", "DamagedHelmet.gltf"));
  0.211747 seconds (139.25 k allocations: 8.619 MiB)
  0.000334 seconds (459 allocations: 27.164 KiB)

6TsRJ_1Irey.dll 32 MB

[jaakkor2]

Gentle ping @quinnj

[jaakkor2]

Another gentle ping @quinnj

[quinnj]

Thanks!