[openscreen] Enable rust for GCC builds.

rust was disabled because of toolchain compatibility issues. Those
have been resolved so we can enable rust for all builds.

Bug: 552283279
Change-Id: I5043cec89bc276228fe95afa13569534d153f804
Reviewed-on: https://chromium-review.googlesource.com/c/openscreen/+/8413034
Commit-Queue: Mark Foltz <mfoltz@chromium.org>
Reviewed-by: Taesun Yeoum <taesuny@google.com>

infra/config/global/generated/cr-buildbucket.cfg

diff --git a/infra/config/global/generated/cr-buildbucket.cfg b/infra/config/global/generated/cr-buildbucket.cfg
index e1c72f3..6690b88 100644
--- a/infra/config/global/generated/cr-buildbucket.cfg
+++ b/infra/config/global/generated/cr-buildbucket.cfg
@@ -253,7 +253,6 @@
         '  ],'
         '  "gn_args": ['
         '    "clang_use_chrome_plugins=false",'
-        '    "enable_rust=false",'
         '    "is_clang=false",'
         '    "target_cpu=\\"x64\\"",'
         '    "use_custom_libcxx=false"'
@@ -662,7 +661,6 @@
         '  ],'
         '  "gn_args": ['
         '    "clang_use_chrome_plugins=false",'
-        '    "enable_rust=false",'
         '    "is_clang=false",'
         '    "target_cpu=\\"x64\\"",'
         '    "use_custom_libcxx=false"'

infra/config/global/main.star

diff --git a/infra/config/global/main.star b/infra/config/global/main.star
index 262b143..e12383e 100755
--- a/infra/config/global/main.star
+++ b/infra/config/global/main.star
@@ -277,7 +277,6 @@
     if is_gcc:
         gn_args_dict["is_clang"] = False
         gn_args_dict["use_custom_libcxx"] = False
-        gn_args_dict["enable_rust"] = False
     if is_asan:
         gn_args_dict["is_asan"] = True
         properties["is_asan"] = True