use default location for nextest.toml (#5929)

Co-authored-by: Alex Pyattaev <alex.pyattaev@anza.xyz>

ci/stable/run-local-cluster-partially.sh

@@ -17,7 +17,6 @@ LIMIT=${2:-"$BUILDKITE_PARALLEL_JOB_COUNT"}
 
 _ cargo nextest run \
   --profile ci \
-  --config-file ./nextest.toml \
   --package solana-local-cluster \
   --test local_cluster \
   --partition hash:"$((INDEX + 1))/$LIMIT" \

ci/stable/run-partition.sh

@@ -27,7 +27,6 @@ fi
 
 ARGS=(
   --profile ci
-  --config-file ./nextest.toml
   --workspace
   --tests
   --jobs "$JOBS"

ci/test-shuttle.sh

@@ -4,4 +4,4 @@ set -eo pipefail
 
 source ci/_
 
-cargo nextest run --profile ci --config-file ./nextest.toml --manifest-path="svm/Cargo.toml" --features="shuttle-test" --test concurrent_tests --jobs 1
+cargo nextest run --profile ci  --manifest-path="svm/Cargo.toml" --features="shuttle-test" --test concurrent_tests --jobs 1