Remove //third_party/gflags

It is unused.

See #11201

Closes #11564.

PiperOrigin-RevId: 315438708

src/BUILD

@@ -117,9 +117,6 @@ JAVA_TOOLS = [
                "//third_party/java/j2objc:embedded_tools_srcs",
                "//third_party/py/abseil:srcs",
                "//third_party/py/concurrent:srcs",
-               # TODO(laszlocsomor): delete "//third_party/py/gflags:srcs" after
-               # every script in @bazel_tools was migrated to use Abseil.
-               "//third_party/py/gflags:srcs",
                "//third_party/py/six:srcs",
                "//src/conditions:embedded_tools",
                "//src/tools/android/java/com/google/devtools/build/android:embedded_tools",

src/test/java/com/google/devtools/build/lib/blackbox/bazel/PythonToolsSetup.java

@@ -16,18 +16,11 @@
 
 import com.google.devtools.build.lib.blackbox.framework.BlackBoxTestContext;
 import com.google.devtools.build.lib.blackbox.framework.ToolsSetup;
-import java.io.IOException;
 
 /** Setup for Bazel Python tools */
 public class PythonToolsSetup implements ToolsSetup {
   @Override
-  public void setup(BlackBoxTestContext context) throws IOException {
-    context.write(
-        "third_party/py/gflags/build",
-        "licenses([\"notice\"])"
-            + "package(default_visibility = [\"//visibility:public\"])"
-            + "py_library("
-            + "    name = \"gflags\","
-            + ")");
+  public void setup(BlackBoxTestContext context) {
+    // nothing needed to be done
   }
 }

src/test/shell/testenv.sh

@@ -139,16 +139,6 @@ EOF
   cp -R ${langtools_dir}/* third_party/java/jdk/langtools
 
   chmod -R +w .
-
-  mkdir -p third_party/py/gflags
-  cat > third_party/py/gflags/BUILD <<EOF
-licenses(["notice"])
-package(default_visibility = ["//visibility:public"])
-
-py_library(
-    name = "gflags",
-)
-EOF
 }
 
 # Report whether a given directory name corresponds to a tools directory.