Remove 1.15 from mojang-mapped NMS dependency

Author: JorelAli

commandapi-platforms/commandapi-bukkit/commandapi-bukkit-nms/commandapi-bukkit-nms-dependency-mojang-mapped/pom.xml

@@ -142,10 +142,5 @@
 			<artifactId>commandapi-bukkit-1.16.1</artifactId>
 			<version>${project.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>dev.jorel</groupId>
-			<artifactId>commandapi-bukkit-1.15</artifactId>
-			<version>${project.version}</version>
-		</dependency>
 	</dependencies>
 </project>