Remove duplicated applying 'grace-plugin' and jar task

Closes gh-104

Author: rainboyan

component/build.gradle

@@ -1,7 +1,5 @@
 group = "org.graceframework.plugins"
 
-apply plugin: "org.graceframework.grace-plugin"
-
 dependencies {
     api "jakarta.annotation:jakarta.annotation-api:$jakartaAnnotationVersion"
     api "org.graceframework:grace-core:$graceVersion", {
@@ -16,9 +14,3 @@ dependencies {
     annotationProcessor "org.springframework.boot:spring-boot-configuration-processor:$springBootVersion"
     testImplementation "org.graceframework:grace-test-support:$graceVersion"
 }
-
-jar {
-    enabled = true
-    archiveClassifier.set('plugin')
-    includeEmptyDirs = false
-}

json/build.gradle

@@ -1,9 +1,5 @@
-import org.grails.gradle.plugin.web.gsp.GroovyPageCompileTask
-
 group = "org.graceframework.plugins"
 
-apply plugin: "org.graceframework.grace-plugin"
-
 dependencies {
     api "jakarta.annotation:jakarta.annotation-api:$jakartaAnnotationVersion"
     api "org.graceframework:grace-core:$graceVersion", {
@@ -22,13 +18,3 @@ dependencies {
     testImplementation "net.bytebuddy:byte-buddy:$bytebuddyVersion"
     testRuntimeOnly "org.javassist:javassist:$javassistVersion"
 }
-
-tasks.withType(GroovyPageCompileTask) {
-    classpath += configurations.compileClasspath
-}
-
-jar {
-    enabled = true
-    archiveClassifier.set('plugin')
-    includeEmptyDirs = false
-}

markup/build.gradle

@@ -1,7 +1,5 @@
 group = "org.graceframework.plugins"
 
-apply plugin: "org.graceframework.grace-plugin"
-
 dependencies {
     api "jakarta.annotation:jakarta.annotation-api:$jakartaAnnotationVersion"
     api "org.graceframework:grace-core:$graceVersion"
@@ -14,9 +12,3 @@ dependencies {
     annotationProcessor "org.springframework.boot:spring-boot-configuration-processor:$springBootVersion"
     testImplementation "org.graceframework:grace-test-support:$graceVersion"
 }
-
-jar {
-    enabled = true
-    archiveClassifier.set('plugin')
-    includeEmptyDirs = false
-}