callbacks: drop redundant version and author info

This is sufficiently handled on crate level.

Author: dspicher

src/callbacks/balances.rs

@@ -28,8 +28,6 @@ impl Callback for Balances {
     {
         Command::new("balances")
             .about("Dumps all addresses with non-zero balance to CSV file")
-            .version("0.1")
-            .author("gcarq <[email protected]>")
             .arg(
                 Arg::new("dump-folder")
                     .help("Folder to store csv file")

src/callbacks/opreturn.rs

@@ -12,8 +12,6 @@ impl Callback for OpReturn {
     {
         Command::new("opreturn")
             .about("Shows embedded OP_RETURN data that is representable as UTF8")
-            .version("0.1")
-            .author("gcarq <[email protected]>")
     }
 
     fn new(_: &ArgMatches) -> anyhow::Result<Self>

src/callbacks/simplestats.rs

@@ -178,10 +178,7 @@ impl Callback for SimpleStats {
     where
         Self: Sized,
     {
-        Command::new("simplestats")
-            .about("Shows various Blockchain stats")
-            .version("0.1")
-            .author("gcarq <[email protected]>")
+        Command::new("simplestats").about("Shows various Blockchain stats")
     }
 
     fn new(_: &ArgMatches) -> anyhow::Result<Self>

src/callbacks/unspentcsvdump.rs

@@ -28,8 +28,6 @@ impl crate::callbacks::Callback for UnspentCsvDump {
     {
         Command::new("unspentcsvdump")
             .about("Dumps the unspent outputs to CSV file")
-            .version("0.1")
-            .author("fsvm88 <[email protected]>")
             .arg(
                 Arg::new("dump-folder")
                     .help("Folder to store csv file")