Arm backend: Remove test name convention and validation (pytorch#18492)

It has been decided to remove test name convention because the benefit
of it is not worth the maintenance cost. This patch removes test the
validation script that was run by the pre-push hook.

Author: martinlsm

backends/arm/scripts/pre-push

@@ -302,18 +302,6 @@ for COMMIT in ${COMMITS}; do
         fi
     fi
 
-    # Test name checks
-    test_files=$(echo $commit_files | grep -oE 'backends/arm/test/\S+')
-    if [ "$test_files" ]; then
-
-        # Check that the test name follows the specified convention
-        python ./backends/arm/scripts/testname_rules/validate_test_names.py $test_files
-        if [ $? -ne 0 ]; then
-            echo -e "${ERROR} Failed op test name check." >&2
-            FAILED=1
-        fi
-    fi
-
     echo "" # Newline to visually separate commit processing
 done