Clean-up: Remove unused methods and references to JavaFileObject.

These are no longer used due to the migration to XProcessing testing API.

RELNOTES=N/A
PiperOrigin-RevId: 507785408

javatests/dagger/internal/codegen/CompilerMode.java

@@ -65,12 +65,4 @@ public ImmutableMap<String, String> processorOptions() {
   public FluentIterable<String> javacopts() {
     return FluentIterable.from(javacopts);
   }
-
-  /**
-   * Returns a {@link JavaFileBuilder} that builds {@link javax.tools.JavaFileObject}s for this
-   * mode.
-   */
-  public JavaFileBuilder javaFileBuilder(String qualifiedName) {
-    return new JavaFileBuilder(this, qualifiedName);
-  }
 }

javatests/dagger/internal/codegen/JavaFileBuilder.java

@@ -20,15 +20,13 @@
 
 import androidx.room.compiler.processing.util.Source;
 import com.google.common.collect.ImmutableList;
-import com.google.testing.compile.JavaFileObjects;
 import dagger.testing.compile.CompilerTests;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
-import javax.tools.JavaFileObject;
 
 /**
- * A fluent API to build a {@link JavaFileObject} appropriate for a current set of settings, such as
+ * A fluent API to build a {@link Source} appropriate for a current set of settings, such as
  * compiler mode.
  *
  * <p>After creating a builder, you can add lines to the file. Call {@link #addLines(String...)} to
@@ -89,11 +87,6 @@ JavaFileBuilder addLinesIf(Object setting, String... lines) {
     return this;
   }
 
-  /** Builds the {@link JavaFileObject}. */
-  JavaFileObject build() {
-    return JavaFileObjects.forSourceLines(qualifiedName, sourceLines.build());
-  }
-
   /** Builds the {@link Source}. */
   Source buildSource() {
     return CompilerTests.javaSource(qualifiedName, sourceLines.build().toArray(new String[] {}));