chore: fix some comments

Signed-off-by: withbest <seekseat@outlook.com>

lib/private/Files/Storage/Wrapper/Encryption.php

@@ -469,7 +469,7 @@ class Encryption extends Wrapper {
 
 
 	/**
-	 * perform some plausibility checks if the the unencrypted size is correct.
+	 * perform some plausibility checks if the unencrypted size is correct.
 	 * If not, we calculate the correct unencrypted size and return it
 	 *
 	 * @param string $path internal path relative to the storage root

lib/private/Remote/Instance.php

@@ -46,7 +46,7 @@ class Instance implements IInstance {
 	}
 
 	/**
-	 * @return string The of of the remote server with protocol
+	 * @return string The of the remote server with protocol
 	 */
 	public function getFullUrl() {
 		return $this->getProtocol() . '://' . $this->getUrl();

lib/public/Remote/IInstance.php

@@ -21,7 +21,7 @@ interface IInstance {
 	public function getUrl();
 
 	/**
-	 * @return string The of of the remote server with protocol
+	 * @return string The of the remote server with protocol
 	 *
 	 * @since 13.0.0
 	 * @deprecated 23.0.0

lib/public/Share_Backend_Collection.php

@@ -11,7 +11,7 @@
 namespace OCP;
 
 /**
- * Interface for collections of of items implemented by another share backend.
+ * Interface for collections of items implemented by another share backend.
  * Extends the Share_Backend interface.
  * @since 5.0.0
  */