Don't build WASM for fuzz-coverage tests

.bazelrc

@@ -269,6 +269,10 @@ build:fuzz-coverage --config=plain-fuzzer
 build:fuzz-coverage --run_under=@envoy//bazel/coverage:fuzz_coverage_wrapper.sh
 build:fuzz-coverage --test_tag_filters=-nocoverage
 build:fuzz-coverage --define=dynamic_link_tests=true
+# Existing fuzz tests don't need a full WASM runtime and in generally we don't really want to
+# fuzz dependencies anyways. On the other hand, disabling WASM reduces the build time and
+# resources required to build and run the tests.
+build:fuzz-coverage --define=wasm=disabled
 
 build:cache-local --remote_cache=grpc://localhost:9092
 

test/server/BUILD

@@ -320,7 +320,6 @@ envoy_cc_fuzz_test(
     size = "large",
     srcs = ["server_fuzz_test.cc"],
     corpus = "server_corpus",
-    rbe_pool = "6gig",
     deps = [
         "//source/common/thread_local:thread_local_lib",
         "//source/server:server_lib",

test/server/config_validation/BUILD

@@ -93,7 +93,6 @@ envoy_cc_fuzz_test(
     size = "large",
     srcs = ["config_fuzz_test.cc"],
     corpus = "//test/server:server_fuzz_test_corpus",
-    rbe_pool = "6gig",
     deps = [
         "//source/common/common:thread_lib",
         "//source/server/config_validation:server_lib",