chore: deduplicate SuggestionStyle deprecation warnings in tryThis test

Lean now emits each `SuggestionStyle` deprecation warning once instead
of twice per source location.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: kim-em

BatteriesTest/tryThis.lean

@@ -91,8 +91,6 @@ with `rfl` in text-link color.
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.value` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.value` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try these:
   [apply] rfl
   [apply] rfl
@@ -120,8 +118,6 @@ Try these:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.error` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.error` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -132,8 +128,6 @@ info: Try this:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -144,8 +138,6 @@ info: Try this:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -156,8 +148,6 @@ info: Try this:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.success` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.success` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -168,8 +158,6 @@ info: Try this:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.asHypothesis` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.asHypothesis` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -180,8 +168,6 @@ info: Try this:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.asInaccessible` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.asInaccessible` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Try this:
   [apply] rfl
 -/
@@ -243,20 +229,12 @@ info: We've got everything here! Such as:
 /--
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.error` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.error` has been deprecated: `SuggestionStyle` is not used anymore.
----
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.warning` has been deprecated: `SuggestionStyle` is not used anymore.
----
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.success` has been deprecated: `SuggestionStyle` is not used anymore.
----
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.success` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
 warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.value` has been deprecated: `SuggestionStyle` is not used anymore.
 ---
-warning: `Lean.Meta.Tactic.TryThis.SuggestionStyle.value` has been deprecated: `SuggestionStyle` is not used anymore.
----
 info: Grab bag:
   [apply] This is not a tactic.
   [apply] This could be a tactic--but watch out!