Split off Abseil patch. Remove old patches.

Signed-off-by: Martijn Stevenson <[email protected]>

Author: martijneken

bazel/cargo/wasmtime/bumpalo.patch

@@ -93,18 +93,7 @@ def proxy_wasm_cpp_host_repositories():
         patch_args = ["-p1"],
     )
 
-    # Core deps. Try to keep up with Envoy versions:
-    # https://github.com/envoyproxy/envoy/blob/main/bazel/repository_locations.bzl
-
-    # Note: latest LTS release, ahead of Envoy to pick up a bugfix found in local fuzzing:
-    # https://github.com/abseil/abseil-cpp/commit/e7858c73279d81cbc005d9c76a385ab535520635
-    maybe(
-        http_archive,
-        name = "com_google_absl",
-        sha256 = "733726b8c3a6d39a4120d7e45ea8b41a434cdacde401cba500f14236c49b39dc",
-        strip_prefix = "abseil-cpp-20240116.2",
-        urls = ["https://github.com/abseil/abseil-cpp/archive/20240116.2.tar.gz"],
-    )
+    # Core.
 
     maybe(
         http_archive,