[verible] Delete experimental verible style lint script

Verible has now been integrated with Fusesoc and dvsim.

Use those tools to run Verible on the OpenTitan codebase as described in
the readme under `hw/lint/doc`.

Signed-off-by: Michael Schaffner <msf@google.com>
diff --git a/util/verible-style-lint.sh b/util/verible-style-lint.sh
deleted file mode 100755
index 3d03ba7..0000000
--- a/util/verible-style-lint.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-# Copyright lowRISC contributors.
-# Licensed under the Apache License, Version 2.0, see LICENSE for details.
-# SPDX-License-Identifier: Apache-2.0
-#
-# this script runs the verible style linte on all system verilog
-# files under hw/{ip,vendor,top_earlgrey}
-#
-# TODO: integrate this with Fusesoc and the other linting flows.
-
-NUM_PROCS=8
-REPORT_FILE="verible-style-lint.rpt"
-EXCLUDED_RULES="-macro-name-style"
-
-# get all system verilog files and pipe through style linter
-find hw/{ip,vendor,top_earlgrey} -type f -name "*.sv" -o -name "*.svh" |  \
-    xargs -n 1 -P $NUM_PROCS /tools/verible/verilog_lint                  \
-    --rules=$EXCLUDED_RULES                                               \
-    | tee $REPORT_FILE