Revert "Add format meta command (#11334)"

This reverts commit fd77114d82.

crates/nu-command/src/default_context.rs

@@ -191,7 +191,6 @@ pub fn add_shell_command_context(mut engine_state: EngineState) -> EngineState {
             StrSubstring,
             StrTrim,
             StrUpcase,
-            Format,
             FormatDate,
             FormatDuration,
             FormatFilesize,

crates/nu-command/src/strings/format/format_.rs

@@ -1,49 +0,0 @@
-use nu_engine::get_full_help;
-use nu_protocol::{
-    ast::Call,
-    engine::{Command, EngineState, Stack},
-    Category, IntoPipelineData, PipelineData, ShellError, Signature, Type, Value,
-};
-
-#[derive(Clone)]
-pub struct Format;
-
-impl Command for Format {
-    fn name(&self) -> &str {
-        "format"
-    }
-
-    fn signature(&self) -> Signature {
-        Signature::build("format")
-            .category(Category::Strings)
-            .input_output_types(vec![(Type::Nothing, Type::String)])
-    }
-
-    fn usage(&self) -> &str {
-        "Various commands for formatting data."
-    }
-
-    fn extra_usage(&self) -> &str {
-        "You must use one of the following subcommands. Using this command as-is will only produce this help message."
-    }
-
-    fn run(
-        &self,
-        engine_state: &EngineState,
-        stack: &mut Stack,
-        call: &Call,
-        _input: PipelineData,
-    ) -> Result<PipelineData, ShellError> {
-        Ok(Value::string(
-            get_full_help(
-                &Format.signature(),
-                &Format.examples(),
-                engine_state,
-                stack,
-                self.is_parser_keyword(),
-            ),
-            call.head,
-        )
-        .into_pipeline_data())
-    }
-}

crates/nu-command/src/strings/format/mod.rs

@@ -1,9 +1,7 @@
 mod date;
 mod duration;
 mod filesize;
-mod format_;
 
+pub use self::filesize::FormatFilesize;
 pub use date::FormatDate;
 pub use duration::FormatDuration;
-pub use filesize::FormatFilesize;
-pub use format_::Format;