Drop OSGi support

build.gradle

@@ -333,7 +333,6 @@ ${oneLineDesc}."""
 evaluationDependsOnChildren()
 subprojects {
 	apply plugin: 'maven'
-	apply plugin: 'osgi'
 	apply plugin: 'signing'
 	apply plugin: 'checkstyle'
 	apply plugin: 'org.kordamp.gradle.clirr'

smack-core/build.gradle

@@ -1,8 +1,3 @@
-// Note that this is also declared in the main build.gradle for
-// subprojects, but since evaluationDependsOnChildren is enabled we
-// need to declare it here too
-apply plugin: 'osgi'
-
 description = """\
 Smack core components."""
 
@@ -47,9 +42,3 @@ task createVersionResource(type: CreateFileTask) {
 }
 
 compileJava.dependsOn(createVersionResource)
-
-jar {
-  manifest {
-    instruction 'DynamicImport-Package', '*'
-  }
-}

smack-java7/build.gradle

@@ -1,9 +1,3 @@
-// Although the osgi plugin is already applied by the root project's
-// subprojects closure, we need to re-apply it here so that the
-// manifest is a OsgiManifest. Possible caused by
-// evaluationDependsOnChildren in the root project.
-apply plugin: 'osgi'
-
 description = """\
 Smack for Java7 (or higher).
 This is a pseudo-artifact that pulls all the required dependencies to
@@ -19,9 +13,3 @@ dependencies {
 javadoc {
 	enabled = false
 }
-
-jar {
-	manifest {
-		instruction 'Import-Package', '!sun.security.*, *'
-	}
-}

smack-omemo-signal/build.gradle

@@ -1,8 +1,3 @@
-// Although the osgi plugin is already applied by the root project's
-// subprojects closure, we need to re-apply it here so that the
-// manifest is a OsgiManifest. Possible caused by
-// evaluationDependsOnChildren in the root project.
-apply plugin: 'osgi'
 apply plugin: 'checkstyle'
 apply plugin: 'maven'
 

smack-omemo/build.gradle

@@ -1,9 +1,3 @@
-// Although the osgi plugin is already applied by the root project's
-// subprojects closure, we need to re-apply it here so that the
-// manifest is a OsgiManifest. Possible caused by
-// evaluationDependsOnChildren in the root project.
-apply plugin: 'osgi'
-
 dependencies {
 	compile project(":smack-im")
 	compile project(":smack-extensions")