Remove the Widevine signature files from the Linux and ChromeOS builds

chrome/installer/linux/common/installer.include

Index: chrome/installer/linux/common/installer.include
diff --git a/chrome/installer/linux/common/installer.include b/chrome/installer/linux/common/installer.include
index a86665140578c1f8beeb28b6ac8dc3866a142814..d606238d6476e22444fc65c0d4c1ed76d50e063a 100644
--- a/chrome/installer/linux/common/installer.include
+++ b/chrome/installer/linux/common/installer.include
@@ -160,22 +160,6 @@ stage_install_common() {
   if [ -f "${BUILDDIR}/libwidevinecdmadapter.so" ]; then
     install -m 644 -s "${BUILDDIR}/libwidevinecdmadapter.so" "${STAGEDIR}/${INSTALLDIR}/"
     install -m 644 "${BUILDDIR}/libwidevinecdm.so" "${STAGEDIR}/${INSTALLDIR}/"
-
-    if [ -f "${BUILDDIR}/installer/widevine/signature_generator.py" ]; then
-      # Create Widevine signature files for the stripped binaries.
-      echo Widevine signing "${STAGEDIR}/${INSTALLDIR}/${PROGNAME}"
-      ${BUILDDIR}/installer/widevine/signature_generator.py \
-        --input_file "${STAGEDIR}/${INSTALLDIR}/${PROGNAME}" \
-        --output_file "${STAGEDIR}/${INSTALLDIR}/${PROGNAME}.sig" \
-        --flags 1
-      echo Widevine signing "${STAGEDIR}/${INSTALLDIR}/libwidevinecdmadapter.so"
-      ${BUILDDIR}/installer/widevine/signature_generator.py \
-        --input_file "${STAGEDIR}/${INSTALLDIR}/libwidevinecdmadapter.so" \
-        --output_file "${STAGEDIR}/${INSTALLDIR}/libwidevinecdmadapter.so.sig" \
-        --flags 0
-      # Widevine signature file already exists for libwidevinecdm.so.
-      cp "${BUILDDIR}/libwidevinecdm.so.sig" "${STAGEDIR}/${INSTALLDIR}/"
-    fi
   fi
 
   # ANGLE