cmd/internal/goobj: remove unused fields of Reader

[qingyunha]

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This PR (HEAD: e3c79d2) has been imported to Gerrit for code review.

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Message from Dmitri Shuralyov:

Patch Set 1: Run-TryBot+1 Code-Review+1 Trust+1

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Message from Go Bot:

Patch Set 1:

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Message from Go Bot:

Patch Set 1: TryBot-Result+1

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Message from Cherry Mui:

Patch Set 1:

(1 comment)

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[gopherbot]

This PR (HEAD: 80519f6) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/333050 to see it.

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Message from 陶青云:

Patch Set 2:

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Message from Dmitri Shuralyov:

Patch Set 1: Run-TryBot+1 Code-Review+1 Trust+1

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Message from Go Bot:

Patch Set 1:

(1 comment)

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Message from Go Bot:

Patch Set 1: TryBot-Result+1

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Message from Cherry Mui:

Patch Set 1:

(1 comment)

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Message from 陶青云:

Patch Set 2:

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