Root level cleanup (#2654)

* Remove unused files from rootdir

* Remove unused build deps

Cargo.lock

@@ -2892,8 +2892,6 @@ dependencies = [
  "nu_plugin_tree",
  "nu_plugin_xpath",
  "pretty_env_logger",
- "serde 1.0.115",
- "toml",
 ]
 
 [[package]]

Cargo.toml

@@ -57,8 +57,6 @@ dunce = "1.0.1"
 nu-test-support = {version = "0.20.0", path = "./crates/nu-test-support"}
 
 [build-dependencies]
-serde = {version = "1.0.115", features = ["derive"]}
-toml = "0.5.6"
 
 [features]
 ctrlc-support = ["nu-cli/ctrlc"]

README.build.txt

@@ -1 +0,0 @@
-Nu will look for the plugins in your PATH on startup. While nu will have some functionality without them, for full functionality you'll need to copy them into your path so they can be loaded.

features.toml

@@ -1,21 +0,0 @@
-[hintsv1]
-
-description = "Adding hints based upon error states in the syntax highlighter"
-enabled = false
-
-[coloring_in_tokens]
-
-description = "Move coloring into the TokensIterator so they can be atomic with the rest of the iterator"
-reason = """
-This is laying the groundwork for merging coloring and parsing. It also makes token_nodes.atomic() naturally
-work with coloring, which is pretty useful on its own.
-"""
-enabled = false
-
-[data_processing_primitives]
-
-description = "Groundwork so tables can be data processed"
-reason = """
-These will allow take tables and be able to transform, process, and explore.
-"""
-enabled = false