Revert some unnecessary test changes

Author: finestructure

Tests/RetryTests/RetryTests.swift

@@ -29,7 +29,7 @@ final class RetryTests: XCTestCase {
         var called = 0
 
         // MUT
-        try Retry.attempt("", delay: 0, retries: 3) { currentTry in
+        try Retry.attempt("", delay: 0, retries: 3) {
             called += 1
         }
 
@@ -78,7 +78,7 @@ final class RetryTests: XCTestCase {
 
         // MUT
         do {
-            try Retry.attempt("", delay: 0, retries: 3) { currentTry in
+            try Retry.attempt("", delay: 0, retries: 3) {
                 called += 1
                 throw Error()
             }
@@ -101,7 +101,7 @@ final class RetryTests: XCTestCase {
 
         // MUT
         do {
-            try Retry.attempt("", delay: 0, retries: 3) { currentTry in
+            try Retry.attempt("", delay: 0, retries: 3) {
                 called += 1
                 throw Retry.Error.abort(with: Error())
             }
@@ -121,7 +121,7 @@ final class RetryTests: XCTestCase {
         var called = 0
 
         // MUT
-        try await Retry.attempt("", delay: 0, retries: 3) { currentTry in
+        try await Retry.attempt("", delay: 0, retries: 3) {
             await dummyAsyncFunction()
             called += 1
         }