[nrf fromtree] scripts: logging: dictionary: utils: Fix redundant open flags

Fix issue reported by ruff.

Signed-off-by: Pieter De Gendt <[email protected]>
(cherry picked from commit 3a8106b)

Author: pdgendt

.ruff-excludes.toml

@@ -568,9 +568,6 @@
     "UP036",    # https://docs.astral.sh/ruff/rules/outdated-version-block
     "UP038",    # https://docs.astral.sh/ruff/rules/non-pep604-isinstance
 ]
-"./scripts/logging/dictionary/dictionary_parser/utils.py" = [
-    "UP015",    # https://docs.astral.sh/ruff/rules/redundant-open-modes
-]
 "./scripts/logging/dictionary/log_parser.py" = [
     "SIM115",   # https://docs.astral.sh/ruff/rules/open-file-with-context-handler
     "UP015",    # https://docs.astral.sh/ruff/rules/redundant-open-modes

scripts/logging/dictionary/dictionary_parser/utils.py

@@ -15,7 +15,7 @@ def convert_hex_file_to_bin(hexfile):
     """This converts a file in hexadecimal to binary"""
     bin_data = b''
 
-    with open(hexfile, "r", encoding="iso-8859-1") as hfile:
+    with open(hexfile, encoding="iso-8859-1") as hfile:
         for line in hfile.readlines():
             hex_str = line.strip()