Remove a branch that is never taken

cushon · ronshapiro · commit 94275bf4a0b7 · 2019-04-29T11:40:49.000-04:00
Fixes https://github.com/google/google-java-format/pull/337/files ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=244289776
diff --git a/core/src/main/java/com/google/googlejavaformat/java/RemoveUnusedImports.java b/core/src/main/java/com/google/googlejavaformat/java/RemoveUnusedImports.java
@@ -272,7 +272,7 @@ private static RangeMap<Integer, String> buildReplacements(
       endPosition = Math.max(CharMatcher.isNot(' ').indexIn(contents, endPosition), endPosition);
       String sep = Newlines.guessLineSeparator(contents);
       if (endPosition + sep.length() < contents.length()
-          && contents.subSequence(endPosition, endPosition + sep.length()).equals(sep)) {
+          && contents.subSequence(endPosition, endPosition + sep.length()).toString().equals(sep)) {
         endPosition += sep.length();
       }
       replacements.put(Range.closedOpen(importTree.getStartPosition(), endPosition), "");
@@ -304,9 +304,7 @@ private static boolean isUnused(
       JCImport importTree,
       String simpleName) {
     String qualifier =
-        importTree.getQualifiedIdentifier() instanceof JCFieldAccess
-            ? ((JCFieldAccess) importTree.getQualifiedIdentifier()).getExpression().toString()
-            : null;
+        ((JCFieldAccess) importTree.getQualifiedIdentifier()).getExpression().toString();
     if (qualifier.equals("java.lang")) {
       return true;
     }
