Updating error messages to be less verbose for invalid meta commands. (…

…#34)

* Update to fix broken tests.

* Update

* Updating error message to be less verbose.

* Update

Co-authored-by: Knut Olav Løite <koloite@gmail.com>

src/main/java/com/google/cloud/spanner/pgadapter/commands/InvalidMetaCommand.java

@@ -14,7 +14,6 @@
 
 package com.google.cloud.spanner.pgadapter.commands;
 
-import java.text.MessageFormat;
 import java.util.regex.Pattern;
 
 /**
@@ -36,10 +35,6 @@ public Pattern getPattern() {
 
   @Override
   public String translate() {
-    throw new IllegalArgumentException(
-        MessageFormat.format(
-            "Unsupported Meta Command "
-                + "(the following generated command is not compatible with PGAdapter): \n{0}",
-            this.sql));
+    throw new IllegalArgumentException("Unsupported Meta Command");
   }
 }