revert the explain test

Author: kumarUjjawal

datafusion/sqllogictest/test_files/explain_analyze.slt

@@ -94,8 +94,7 @@ STORED AS PARQUET;
 ----
 0
 
-# Mixed files can be redistributed across scan partitions by shared work
-# stealing, so the exact skew value is not stable across environments.
+# All partition's output_rows: [4, 0, 1, 0]
 statement ok
 CREATE EXTERNAL TABLE skew_parquet
 STORED AS PARQUET
@@ -104,7 +103,7 @@ LOCATION 'test_files/scratch/explain_analyze/output_rows_skew';
 query TT
 EXPLAIN ANALYZE SELECT * FROM skew_parquet;
 ----
-Plan with Metrics DataSourceExec: <slt:ignore>output_rows_skew=<slt:ignore>%<slt:ignore>
+Plan with Metrics DataSourceExec: <slt:ignore>output_rows_skew=84.31%<slt:ignore>
 
 # All partition's output_rows: [0]
 statement ok