aeron-io#910 Remove unused import

Author: tom.johnson

sbe-tool/src/test/java/uk/co/real_logic/sbe/generation/java/QualifiedYieldTest.java

@@ -28,7 +28,6 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 
-import uk.co.real_logic.sbe.SbeTool;
 import uk.co.real_logic.sbe.Tests;
 import uk.co.real_logic.sbe.ir.Ir;
 import uk.co.real_logic.sbe.xml.IrGenerator;