message: Remove unrefed references
diff: @@ -9,15 +9,11 @@ Welcome to the EOS.IO Documentation
  ## Smart Contract Developers
  - @ref eosiorpc
  - @ref contractdev
  - - @ref accountapi - Define API for querying account data
  - @ref chainapi - Define API for querying internal chain state
  - @ref database - APIs that store and retreive data on the blockchainEOS.IO organizes data according to the following broad structure
  - - @ref mathapi - Defines common math function
  - @ref actionapi - Defines API for querying action properties
  - - @ref memoryapi - Defines common memory functions
  - @ref consoleapi - Enables applications to log/print text messages
  - @ref systemapi - Define API for interating with system level intrinsics
  - - @ref tokens - Defines the ABI for interfacing with standard-compatible token messages and database tables
  - @ref transactionapi - Define API for sending transactions and inline messages
  - @ref types - Specifies typedefs and aliases
  