delete extraneous test data file

https://boringssl-review.googlesource.com/c/boringssl/+/96487 accidentally
added both mtc-leaf-duplicate_ca_signer.pem and
mtc-leaf-standalone-duplicate_ca_signer.pem. Delete the unused one.

Change-Id: I5037b83aa3584c94fb3412a9cc2a651ae16f3ed1
Bug: 452983502
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/96787
Auto-Submit: Matt Mueller <mattm@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Presubmit-BoringSSL-Verified: boringssl-scoped@luci-project-accounts.iam.gserviceaccount.com <boringssl-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/gen/sources.bzl b/gen/sources.bzl
index 656d77f..8158861 100644
--- a/gen/sources.bzl
+++ b/gen/sources.bzl
@@ -2323,7 +2323,6 @@
     "pki/testdata/path_builder_unittest/mtc/mtc-leaf.pem",
     "pki/testdata/path_builder_unittest/mtc_plants04/leaf.pem",
     "pki/testdata/path_builder_unittest/mtc_plants04/mtc-ica.pem",
-    "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem",
     "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-3cosigners.pem",
     "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-cosigner_wrong_order.pem",
     "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-duplicate_ca_signer.pem",
diff --git a/gen/sources.cmake b/gen/sources.cmake
index 1520f0c..111b472 100644
--- a/gen/sources.cmake
+++ b/gen/sources.cmake
@@ -2381,7 +2381,6 @@
   pki/testdata/path_builder_unittest/mtc/mtc-leaf.pem
   pki/testdata/path_builder_unittest/mtc_plants04/leaf.pem
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-ica.pem
-  pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-3cosigners.pem
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-cosigner_wrong_order.pem
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-duplicate_ca_signer.pem
diff --git a/gen/sources.gni b/gen/sources.gni
index a3baf28..9c6ab3e 100644
--- a/gen/sources.gni
+++ b/gen/sources.gni
@@ -2323,7 +2323,6 @@
   "pki/testdata/path_builder_unittest/mtc/mtc-leaf.pem",
   "pki/testdata/path_builder_unittest/mtc_plants04/leaf.pem",
   "pki/testdata/path_builder_unittest/mtc_plants04/mtc-ica.pem",
-  "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem",
   "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-3cosigners.pem",
   "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-cosigner_wrong_order.pem",
   "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-duplicate_ca_signer.pem",
diff --git a/gen/sources.json b/gen/sources.json
index 7c378fd..6868791 100644
--- a/gen/sources.json
+++ b/gen/sources.json
@@ -2303,7 +2303,6 @@
       "pki/testdata/path_builder_unittest/mtc/mtc-leaf.pem",
       "pki/testdata/path_builder_unittest/mtc_plants04/leaf.pem",
       "pki/testdata/path_builder_unittest/mtc_plants04/mtc-ica.pem",
-      "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem",
       "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-3cosigners.pem",
       "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-cosigner_wrong_order.pem",
       "pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-duplicate_ca_signer.pem",
diff --git a/gen/sources.mk b/gen/sources.mk
index 41626ba..025ac05 100644
--- a/gen/sources.mk
+++ b/gen/sources.mk
@@ -2295,7 +2295,6 @@
   pki/testdata/path_builder_unittest/mtc/mtc-leaf.pem \
   pki/testdata/path_builder_unittest/mtc_plants04/leaf.pem \
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-ica.pem \
-  pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem \
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-3cosigners.pem \
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-cosigner_wrong_order.pem \
   pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-standalone-duplicate_ca_signer.pem \
diff --git a/pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem b/pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem
deleted file mode 100644
index 1afa8a1..0000000
--- a/pki/testdata/path_builder_unittest/mtc_plants04/mtc-leaf-duplicate_ca_signer.pem
+++ /dev/null
@@ -1,113 +0,0 @@
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------END CERTIFICATE-----