remove duplicate dependency

Author: lor6

core-java-modules/core-java-string-algorithms-3/pom.xml

@@ -24,11 +24,6 @@
             <artifactId>commons-validator</artifactId>
             <version>${validator.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
-        </dependency>
     </dependencies>
 
     <build>