Update file formats and remove unused dependency on color_simp

dart/file_formats.iml

@@ -2,7 +2,10 @@
 <module type="WEB_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$">
+    <content url="file://$MODULE_DIR$/..">
+      <excludeFolder url="file://$MODULE_DIR$/../.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/../.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/../build" />
       <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/build" />

dart/pubspec.lock

@@ -57,14 +57,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
-  color_simp:
-    dependency: "direct main"
-    description:
-      name: color_simp
-      sha256: "4393798a85ab78a6151e6e1ce2fabaed4b36897fdb5a03c585cad53eeed4b264"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.3"
   convert:
     dependency: transitive
     description:

dart/pubspec.yaml

@@ -9,7 +9,6 @@ environment:
 # Add regular dependencies here.
 dependencies:
   args: ^2.5.0
-  color_simp: ^1.0.3
 
 dev_dependencies:
   lints: ^5.0.0