Remove non-thrown exception and unnecessary empty line

Change-Id: I03d6f26f9aa338d5508e69ecdc16f9e0e9d0942d
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/RestSession.java b/src/main/java/com/googlesource/gerrit/plugins/importer/RestSession.java
index f02ecf7..d2ca5c7 100755
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/RestSession.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/RestSession.java
@@ -91,8 +91,7 @@
     return new RestResponse(getClient().execute(delete));
   }
 
-
-  public static RawInput newRawInput(final String content) throws IOException {
+  public static RawInput newRawInput(final String content) {
     Preconditions.checkNotNull(content);
     Preconditions.checkArgument(!content.isEmpty());
     return new RawInput() {