Fix IDEA plugin's build

Remove dependencies on modules that no longer exist. Add new
dependency for annotations jar that provides ApiStatus class.

Closes gh-294

Author: wilkinsona

spring-javaformat-intellij-idea/spring-javaformat-intellij-idea-plugin/pom.xml

@@ -42,7 +42,7 @@
 		</dependency>
 		<dependency>
 			<groupId>io.spring.javaformat.intellij.idea</groupId>
-			<artifactId>extensions</artifactId>
+			<artifactId>annotations</artifactId>
 			<version>${project.version}</version>
 			<scope>provided</scope>
 		</dependency>
@@ -58,18 +58,6 @@
 			<version>${project.version}</version>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>io.spring.javaformat.intellij.idea</groupId>
-			<artifactId>platform-util-ui</artifactId>
-			<version>${project.version}</version>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>io.spring.javaformat.intellij.idea</groupId>
-			<artifactId>platform-service-container</artifactId>
-			<version>${project.version}</version>
-			<scope>provided</scope>
-		</dependency>
 		<dependency>
 			<groupId>io.spring.javaformat.intellij.idea</groupId>
 			<artifactId>util</artifactId>

spring-javaformat-intellij-idea/spring-javaformat-intellij-idea-runtime/pom.xml

@@ -133,6 +133,22 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-install-plugin</artifactId>
 				<executions>
+					<execution>
+						<id>install-intellij-annotations</id>
+						<phase>install</phase>
+						<inherited>false</inherited>
+						<goals>
+							<goal>install-file</goal>
+						</goals>
+						<configuration>
+							<file>${project.build.directory}/intellij/annotations.jar</file>
+							<groupId>io.spring.javaformat.intellij.idea</groupId>
+							<artifactId>annotations</artifactId>
+							<version>${project.version}</version>
+							<packaging>jar</packaging>
+							<generatePom>true</generatePom>
+						</configuration>
+					</execution>
 					<execution>
 						<id>install-intellij-platform-api</id>
 						<phase>install</phase>