[Retrace] Remove warning regarding verbose and regex

Bug: 169734420
Change-Id: I04d15d6c3c11af30474d23c871e82cba384a6f9e

src/main/java/com/android/tools/r8/retrace/RetraceCommand.java

diff --git a/src/main/java/com/android/tools/r8/retrace/RetraceCommand.java b/src/main/java/com/android/tools/r8/retrace/RetraceCommand.java
index 64cf59a..9b6694f 100644
--- a/src/main/java/com/android/tools/r8/retrace/RetraceCommand.java
+++ b/src/main/java/com/android/tools/r8/retrace/RetraceCommand.java
@@ -6,7 +6,6 @@
 
 import com.android.tools.r8.DiagnosticsHandler;
 import com.android.tools.r8.Keep;
-import com.android.tools.r8.utils.StringDiagnostic;
 import java.io.IOException;
 import java.util.List;
 import java.util.function.Consumer;
@@ -136,11 +135,6 @@
       if (this.retracedStackTraceConsumer == null) {
         throw new RuntimeException("RetracedStackConsumer not specified");
       }
-      if (isVerbose && regularExpression != null) {
-        this.diagnosticsHandler.warning(
-            new StringDiagnostic(
-                "Retrace does not support verbose output when a regular expression is specified"));
-      }
       return new RetraceCommand(
           isVerbose,
           regularExpression,