Remove presently unused aws libraries.

PiperOrigin-RevId: 822247516
Change-Id: If296bdd49a02e98e9bfd559b1e4a48ab5e22b780

Author: laramiel

third_party/aws_c_event_stream/aws_c_event_stream.BUILD.bazel

@@ -7,11 +7,8 @@ load("//third_party:aws_c_auth/workspace.bzl", repo_aws_c_auth = "repo")
 load("//third_party:aws_c_cal/workspace.bzl", repo_aws_c_cal = "repo")
 load("//third_party:aws_c_common/workspace.bzl", repo_aws_c_common = "repo")
 load("//third_party:aws_c_compression/workspace.bzl", repo_aws_c_compression = "repo")
-load("//third_party:aws_c_event_stream/workspace.bzl", repo_aws_c_event_stream = "repo")
 load("//third_party:aws_c_http/workspace.bzl", repo_aws_c_http = "repo")
 load("//third_party:aws_c_io/workspace.bzl", repo_aws_c_io = "repo")
-load("//third_party:aws_c_mqtt/workspace.bzl", repo_aws_c_mqtt = "repo")
-load("//third_party:aws_c_s3/workspace.bzl", repo_aws_c_s3 = "repo")
 load("//third_party:aws_c_sdkutils/workspace.bzl", repo_aws_c_sdkutils = "repo")
 load("//third_party:aws_checksums/workspace.bzl", repo_aws_checksums = "repo")
 load("//third_party:aws_s2n_tls/workspace.bzl", repo_aws_s2n_tls = "repo")
@@ -73,11 +70,8 @@ def third_party_dependencies():
     repo_aws_c_cal()
     repo_aws_c_common()
     repo_aws_c_compression()
-    repo_aws_c_event_stream()
     repo_aws_c_http()
     repo_aws_c_io()
-    repo_aws_c_mqtt()
-    repo_aws_c_s3()
     repo_aws_c_sdkutils()
     repo_aws_checksums()
     repo_aws_s2n_tls()