Replacing custom editor styles with an extra sass file

css/custom-editor-overwrite-style.css

@@ -1,3 +0,0 @@
-body {
-    margin: 1vw;
-}

gulpfile.js

@@ -85,8 +85,7 @@ gulp.task( 'sass', function() {
         } ) )
         .pipe( sass( { errLogToConsole: true } ) )
         .pipe( autoprefixer( 'last 2 versions' ) )
-        .pipe( gulp.dest( paths.css ) )
-        .pipe( rename( 'custom-editor-style.css' ) );
+        .pipe( gulp.dest( paths.css ) );
     return stream;
 });
 

sass/custom-editor-style.scss

@@ -0,0 +1,2 @@
+//Add your own editor styles here or comment out the next line if you want to pull in the whole Bootstrap stuff
+//@import "theme"; 

sass/theme.scss

@@ -2,6 +2,7 @@
 @import "assets/bootstrap4";// <--------- Loads Bootstrap3 or Bootstrap4. Change from /bootstrap3 to /bootstrap4 Watch out! just for testing in the moment!
 @import "understrap/understrap";// <-------- Loads the UnderStrap defaults. Just a few classes to incorporate BS in WP
 
+
 //Optional files - If you dont use the corresponding scripts/fonts comment em out
 @import "assets/font-awesome"; // <------- Font Awesome Icon font
 @import "assets/underscores"; // <------- Underscores media styles