* Ada Utility Library 2.8.1 crates
* Remove the AWS support because AWS is broken as usual
Now, it fails when building libgpr which is imported by GNATCOLL:
```
[Ada] gpr-env.adb
gpr-util-put_resource_usage__unix.adb:34:24: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:35:24: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:69:34: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:78:34: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:84:50: error: invalid prefix in selected component "This"
gpr-util-put_resource_usage__unix.adb:86:20: error: invalid prefix in selected component "This"
gpr-util-put_resource_usage__unix.adb:34:24: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:35:24: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:69:34: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:78:34: error: "Timeval" not declared in "Thin_Common"
gpr-util-put_resource_usage__unix.adb:84:50: error: invalid prefix in selected component "This"
gpr-util-put_resource_usage__unix.adb:86:20: error: invalid prefix in selected component "This"
compilation of gpr-env.adb failed
compilation of gpr-util-aux.adb failed
gprbuild: *** compilation phase failed
make: *** [Makefile:188: build-awsres-tool-native] Error 4
```
Stephane Carrez