fix(profiling): fix sample v2 timestamp doc (#14165)

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Author: viglia

develop-docs/sdk/telemetry/profiles/sample-format-v2.mdx

@@ -199,8 +199,7 @@ milliseconds.
 : *List, required* Contains a list of sample object captured during execution.
 Each sample can contain the following attributes:
 
-- `timestamp`: *64-bit floating point, required.* Contains the Unix timestamp in seconds with microseconds precision.
-  in seconds with millisecond precision when the sample was captured.
+- `timestamp`: *64-bit floating point, required.* Contains the Unix timestamp in seconds with microseconds precision of when the sample was captured.
 - `stack_id`: *Integer, required.* Contains the stack index from the `stacks` list.
 - `thread_id`: *String, required.* Contains the thread ID on which the sample was captured.