*: simplication

- no unnecessary err/bool check, uses them directly

Signed-off-by: ferhat elmas <[e-mail]>

object_walker.go

···
 		}
 		return p.walkObjectTree(ref.Hash())
 	})
-	if err != nil {
-		return err
-	}
-	return nil
+	return err
 }
 
 func (p *objectWalker) isSeen(hash plumbing.Hash) bool {

storage/filesystem/internal/dotgit/dotgit.go

···
 	if err != nil {
 		return err
 	}
-	err = d.fs.Remove(d.objectPackPath(hash, `idx`))
-	if err != nil {
-		return err
-	}
-	return nil
+	return d.fs.Remove(d.objectPackPath(hash, `idx`))
 }
 
 // NewObject return a writer for a new object file.

worktree_test.go

···
 					break
 				}
 			}
-			if found != true {
+			if !found {
 				c.Errorf("unexpected grep results for %q, expected result to contain: %v", tc.name, wantResult)
 			}
 		}
···
 					break
 				}
 			}
-			if found != false {
+			if found {
 				c.Errorf("unexpected grep results for %q, expected result to NOT contain: %v", tc.name, dontWantResult)
 			}
 		}