fix: only print root level config logs a single time (#3132)

src/config.rs

@@ -1,4 +1,3 @@
-use crate::configs::StarshipRootConfig;
 use crate::utils;
 use ansi_term::{Color, Style};
 use indexmap::IndexMap;
@@ -63,6 +62,12 @@ impl<'a> ModuleConfig<'a> for &'a str {
     }
 }
 
+impl<'a> ModuleConfig<'a> for String {
+    fn from_config(config: &'a Value) -> Option<Self> {
+        config.as_str().map(std::borrow::ToOwned::to_owned)
+    }
+}
+
 impl<'a> ModuleConfig<'a> for Style {
     fn from_config(config: &Value) -> Option<Self> {
         parse_style_string(config.as_str()?)
@@ -346,14 +351,6 @@ impl StarshipConfig {
     pub fn get_env_var_modules(&self) -> Option<&toml::value::Table> {
         self.get_config(&["env_var"])?.as_table()
     }
-
-    pub fn get_root_config(&self) -> StarshipRootConfig {
-        if let Some(root_config) = &self.config {
-            StarshipRootConfig::load(root_config)
-        } else {
-            StarshipRootConfig::default()
-        }
-    }
 }
 
 /** Parse a style string which represents an ansi style. Valid tokens in the style