remove redundant Key/Value attribute description

Author: robUx4

block_additional_mappings/key_value.md

@@ -1,17 +1,4 @@
-## Key Value Pair
+## Key Value Pair Description
 
-### Key Value Pair Description
+The Block Additional Mapping for a `Key Value Pair` provides a generic method to store data with a label in association with a Block. The label (referred to here as the `Key`) is stored within the `BlockAddIDExtraData` Element and the associate `Value` is stored within the corresponding `BlockMore` Element.
 
-The Block Additional Mapping for a `Key Value Pair` provides a generic method to store data with a label in association with a Block. The label (referred to here as the `Key`) is stored within the `BlockAddIDExtraData` Element and the associate `Value` is stored within the corresponding BlockMore Element.
-
-### BlockAddIDType
-
-The BlockAddIDType value reserved for timecode is 107.
-
-### BlockAddIDName
-
-The BlockAddIDName value reserved for timecode is "Key Value pair".
-
-### BlockAddIDExtraData
-
-BlockAddIDExtraData stores the Key or a label for the value stored within the associated `BlockMore Element`.

codec_specs.md

@@ -1191,7 +1191,7 @@ Block type identifier: 107
 Block type name: "Key Value pair"
 
 Description: A generic method to store data with a label in association with a Block.
-The definition of the usage is found in (#key-value-pair).
+The definition of the usage is found in (#key-value-pair-description).
 
 ### SMPTE ST 12-1 Timecode