liblp: delete unused function and fields

Test: builds
Change-Id: Ib7c93cfadacedc4f8d983c490e55fb4672cc9c1d
diff --git a/fs_mgr/liblp/include/liblp/builder.h b/fs_mgr/liblp/include/liblp/builder.h
index 732dbea..89a47b1 100644
--- a/fs_mgr/liblp/include/liblp/builder.h
+++ b/fs_mgr/liblp/include/liblp/builder.h
@@ -144,7 +144,6 @@
     std::vector<std::unique_ptr<Extent>> extents_;
     uint32_t attributes_;
     uint64_t size_;
-    bool disabled_;
 };
 
 // An interval in the metadata. This is similar to a LinearExtent with one difference.
@@ -321,9 +320,6 @@
     // Set the LP_HEADER_FLAG_VIRTUAL_AB_DEVICE flag.
     void SetVirtualABDeviceFlag();
 
-    // If set, checks for slot suffixes will be ignored internally.
-    void IgnoreSlotSuffixing();
-
     bool GetBlockDeviceInfo(const std::string& partition_name, BlockDeviceInfo* info) const;
     bool UpdateBlockDeviceInfo(const std::string& partition_name, const BlockDeviceInfo& info);