modify markdown files

README.md

@@ -148,7 +148,6 @@ make goreleaser-build
 
 Package-specific READMEs aim to explain implementation details for developers that are contributing to these packages. The [specs](https://celestiaorg.github.io/celestia-app/) aim to explain the protocol as a whole for developers building on top of Celestia.
 
-- [pkg/shares](./pkg/shares/README.md)
 - [pkg/wrapper](./pkg/wrapper/README.md)
 - [x/blob](./x/blob/README.md)
 - [x/blobstream](./x/blobstream/README.md)

specs/src/specs/namespace.md

@@ -87,10 +87,6 @@ For additional information on the significance and application of the reserved n
 
 Applications MUST refrain from using the [reserved namespaces](#reserved-namespaces) for their blob data.
 
-## Implementation
-
-See [pkg/namespace](../../../pkg/namespace).
-
 ## Go Definition
 
 ```go

specs/src/specs/shares.md

@@ -110,10 +110,6 @@ Share splitting is the process of converting a blob into a share sequence. The p
 
 - Shares are assumed to be byte slices of length 512. Parsing shares of a different length WILL result in an error.
 
-## Implementation
-
-See [pkg/shares](../../../pkg/shares).
-
 ## References
 
 1. [ADR-012](../../../docs/architecture/adr-012-sequence-length-encoding.md)