Clean up lombok and compiler plugin config in pom.xml

Remove duplicate lombok dependency, merge the two maven-compiler-plugin
blocks, drop redundant source/target/encoding settings inherited from
spring-boot-starter-parent, and pin the annotation processor version
via ${lombok.version}.

Author: ozgliderpilot

mflix/server/java-spring/pom.xml

@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <optional>true</optional>
+            <scope>provided</scope>
         </dependency>
 
         <!-- Force version for Commons Lang used by SpringDoc (CVE-2025-48924) -->
@@ -100,12 +100,6 @@
             <artifactId>langchain4j-voyage-ai</artifactId>
             <version>${langchain4j.version}</version>
         </dependency>
-
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -116,27 +110,18 @@
                 <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
 
+            <!-- Maven Compiler Plugin - Suppress annotation processing warnings -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>${java.version}</source>
-                    <target>${java.version}</target>
-                    <encoding>${project.build.sourceEncoding}</encoding>
                     <annotationProcessorPaths>
                         <path>
                             <groupId>org.projectlombok</groupId>
                             <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
                         </path>
                     </annotationProcessorPaths>
-                </configuration>
-            </plugin>
-
-            <!-- Maven Compiler Plugin - Suppress annotation processing warnings -->
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
                     <compilerArgs>
                         <arg>-Xlint:-options</arg>
                     </compilerArgs>