testing: remove package from fuzz crasher message

Fixes #48149

Change-Id: Iaf91d2c54fda809c7da90cdfb6d1d075f474c69b
Reviewed-on: https://go-review.googlesource.com/c/go/+/362116
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Julie Qiu <julie@golang.org>
diff --git a/src/testing/fuzz.go b/src/testing/fuzz.go
index 1066516..46c9d63 100644
--- a/src/testing/fuzz.go
+++ b/src/testing/fuzz.go
@@ -356,7 +356,7 @@
 				crashPath := crashErr.CrashPath()
 				fmt.Fprintf(f.w, "Crash written to %s\n", crashPath)
 				testName := filepath.Base(crashPath)
-				fmt.Fprintf(f.w, "To re-run:\ngo test %s -run=%s/%s\n", f.fuzzContext.deps.ImportPath(), f.name, testName)
+				fmt.Fprintf(f.w, "To re-run:\ngo test -run=%s/%s\n", f.name, testName)
 			}
 		}
 		// TODO(jayconrod,katiehockman): Aggregate statistics across workers