remove append metadata from readme

README.md

@@ -165,14 +165,6 @@ Variable key here: <br/>
 <https://reilly-lab.github.io/ConversationAlign_VariableLookupKey.pdf>
 <br/> <br/>
 
-ConversationAlign will prompt you to append any metadata you would like
-to add. This joins information from a separate file (e.g., neuropsych
-scores, ages, etc). Just give ConversationAlign a filepath to your CSV
-data or click “Enter” to skip this step. A metadata file might look like
-this:
-
-METADATA IMAGE HERE <br/>
-
 Run align_dyads on the cleaned dyads object you created using the
 clean_dyads function.<br/>
 
@@ -184,10 +176,6 @@ MyAlignedDyads <- align_dyads(MyCleanLangSamples)
 alt="Example aligned transcripts anger, anxiety, boredom from Taylor Swift-Ellen DeGeneres Interview, 2013" />
 <br/>
 
-# Appending metadata
-
-TBD
-
 # Summarize transcripts
 
 ## summarize_dyads()