[Share 2.0] Remove setId and setProviderId from the interface

Those should only ever be set by the providers

lib/private/share20/manager.php

@@ -497,7 +497,6 @@ class Manager implements IManager {
 
 		$provider = $this->factory->getProviderForType($share->getShareType());
 		$share = $provider->create($share);
-		$share->setProviderId($provider->identifier());
 
 		// Post share hook
 		$postHookData = [
@@ -754,7 +753,6 @@ class Manager implements IManager {
 		$provider = $this->factory->getProvider($providerId);
 
 		$share = $provider->getShareById($id);
-		$share->setProviderId($provider->identifier());
 
 		return $share;
 	}

lib/public/share/ishare.php

@@ -43,15 +43,6 @@ interface IShare {
 	 */
 	public function getId();
 
-	/**
-	 * Set the internal id of the share.
-	 *
-	 * @param string $id
-	 * @return \OCP\Share\IShare The modified share object
-	 * @since 9.0.0
-	 */
-	public function setId($id);
-
 	/**
 	 * Get the full share id. This is the <providerid>:<internalid>.
 	 * The full id is unique in the system.
@@ -61,15 +52,6 @@ interface IShare {
 	 */
 	public function getFullId();
 
-	/**
-	 * Set the provider id
-	 *
-	 * @param string $id
-	 * @return \OCP\Share\IShare The modified share object\
-	 * @since 9.0.0
-	 */
-	public function setProviderId($id);
-
 	/**
 	 * Set the node of the file/folder that is shared
 	 *