Remove unnecessary items, .idea, classpath, and *.gem, from .gitignore

Dai MIKURUBE · Dai MIKURUBE · commit a564d0048e22 · 2020-09-26T14:19:58.000+09:00
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,3 @@
 *~
-.idea
 build/
-classpath/
 /.gradle
-/*.gem

-Original file line number
+Diff line change
@@ @@ -1,6 +1,3 @@ @@
 *~
 -.idea
 build/
 -classpath/
 /.gradle
 -/*.gem