REmove unnecessary imports

diff --git a/src/jalview/analysis/PCA.java b/src/jalview/analysis/PCA.java
index 2e37e6a..4d691c0 100755 (executable)
--- a/src/jalview/analysis/PCA.java
+++ b/src/jalview/analysis/PCA.java
@@ -22,10 +22,6 @@ import jalview.datamodel.*;
 \r
 import jalview.math.*;\r
 \r
-import jalview.util.*;\r
-\r
-import java.io.*;\r
-\r
 \r
 /**\r
  * Performs Principal Component Analysis on given sequences\r