Remove URI serialization for classes coming from .class files from fix serialization code

nullaway/src/main/java/com/uber/nullaway/fixserialization/location/AbstractSymbolLocation.java

@@ -53,15 +53,7 @@ public AbstractSymbolLocation(ElementKind type, Symbol target) {
             + ".");
     this.type = type;
     this.enclosingClass = castToNonNull(ASTHelpers.enclosingClass(target));
-    // We currently serialize the URI for the classfile if the URI for the sourcefile is not
-    // available, but only if said URI corresponds to a "file:" or "jimfs:" scheme (i.e. not
-    // "jar:"). It's likely that this is no longer needed and should be removed as a follow up:
-    // https://github.com/uber/NullAway/issues/716 Leaving this workaround up temporarily for the
-    // sake of experiments with version `1.3.6-alpha-N` of the auto-annotator.
-    URI pathInURI =
-        enclosingClass.sourcefile != null
-            ? enclosingClass.sourcefile.toUri()
-            : (enclosingClass.classfile != null ? enclosingClass.classfile.toUri() : null);
+    URI pathInURI = enclosingClass.sourcefile != null ? enclosingClass.sourcefile.toUri() : null;
     this.path = Serializer.pathToSourceFileFromURI(pathInURI);
   }
 }

nullaway/src/test/java/com/uber/nullaway/NullAwaySerializationTest.java

@@ -1638,63 +1638,6 @@ public void suggestNullableArgumentOnBytecodeNoFileInfo() {
     }
   }
 
-  @Test
-  public void suggestNullableArgumentOnBytecodeClassFileInfoOnly() {
-    // Simulate a build system which elides sourcefile/classfile info
-    try (MockedStatic<ASTHelpers> astHelpersMockedStatic =
-        Mockito.mockStatic(ASTHelpers.class, Mockito.CALLS_REAL_METHODS)) {
-      astHelpersMockedStatic
-          .when(() -> ASTHelpers.enclosingClass(any(Symbol.class)))
-          .thenAnswer(
-              (Answer<Symbol.ClassSymbol>)
-                  invocation -> {
-                    Symbol.ClassSymbol answer = (Symbol.ClassSymbol) invocation.callRealMethod();
-                    if (answer.sourcefile != null
-                        && answer
-                            .sourcefile
-                            .toUri()
-                            .toASCIIString()
-                            .contains("com/uber/nullaway/testdata/unannotated")) {
-                      answer.sourcefile = null;
-                    }
-                    return answer;
-                  });
-      SerializationTestHelper<FixDisplay> tester = new SerializationTestHelper<>(root);
-      tester
-          .setArgs(
-              Arrays.asList(
-                  "-d",
-                  temporaryFolder.getRoot().getAbsolutePath(),
-                  "-XepOpt:NullAway:AnnotatedPackages=com.uber",
-                  // Explicitly avoid excluding com.uber.nullaway.testdata.unannotated,
-                  // so we can suggest fixes there
-                  "-XepOpt:NullAway:SerializeFixMetadata=true",
-                  "-XepOpt:NullAway:FixSerializationConfigPath=" + configPath))
-          .addSourceLines(
-              "com/uber/UsesUnannotated.java",
-              "package com.uber;",
-              "import com.uber.nullaway.testdata.unannotated.MinimalUnannotatedClass;",
-              "public class UsesUnannotated {",
-              "   Object test(boolean flag) {",
-              "       // BUG: Diagnostic contains: passing @Nullable parameter 'null' where @NonNull is required",
-              "       return MinimalUnannotatedClass.foo(null);",
-              "   }",
-              "}")
-          .setExpectedOutputs(
-              new FixDisplay(
-                  "nullable",
-                  "foo(java.lang.Object)",
-                  "x",
-                  "PARAMETER",
-                  "com.uber.nullaway.testdata.unannotated.MinimalUnannotatedClass",
-                  // From Symbol.classfile!
-                  "com/uber/nullaway/testdata/unannotated/MinimalUnannotatedClass.java"))
-          .setFactory(fixDisplayFactory)
-          .setOutputFileNameAndHeader(SUGGEST_FIX_FILE_NAME, SUGGEST_FIX_FILE_HEADER)
-          .doTest();
-    }
-  }
-
   @Test
   public void fieldRegionComputationWithMemberSelectTest() {
     SerializationTestHelper<ErrorDisplay> tester = new SerializationTestHelper<>(root);