update (#826)

Signed-off-by: xil <[email protected]>

Author: lucy66hw

spec/schemas/_common.yaml

@@ -186,8 +186,7 @@ components:
         - x
         - y
     EpochTimeUnitMillis:
-      allOf:
-        - $ref: '#/components/schemas/UnitMillis'
+      $ref: '#/components/schemas/UnitMillis'
     UnitMillis:
       description: The time unit for milliseconds.
       type: integer
@@ -309,8 +308,7 @@ components:
         - skipped
         - successful
     DurationValueUnitMillis:
-      allOf:
-        - $ref: '#/components/schemas/UnitMillis'
+      $ref: '#/components/schemas/UnitMillis'
     ShardStatistics:
       type: object
       properties:
@@ -376,15 +374,13 @@ components:
         title: metadata
         description: Any additional information about the error.
     DurationValueUnitNanos:
-      allOf:
-        - $ref: '#/components/schemas/UnitNanos'
+      $ref: '#/components/schemas/UnitNanos'
     UnitNanos:
       description: Time unit for nanoseconds.
       type: integer
       format: int64
     DurationValueUnitMicros:
-      allOf:
-        - $ref: '#/components/schemas/UnitMicros'
+      $ref: '#/components/schemas/UnitMicros'
     UnitMicros:
       description: Time unit for microseconds.
       type: integer
@@ -889,8 +885,7 @@ components:
         - $ref: '#/components/schemas/EpochTimeUnitSeconds'
         - type: string
     EpochTimeUnitSeconds:
-      allOf:
-        - $ref: '#/components/schemas/UnitSeconds'
+      $ref: '#/components/schemas/UnitSeconds'
     UnitSeconds:
       description: Time unit for seconds.
       type: integer