Unwind the fallback admin policy knobs.

components/ssl_config/ssl_config_switches.cc

Index: components/ssl_config/ssl_config_switches.cc
diff --git a/components/ssl_config/ssl_config_switches.cc b/components/ssl_config/ssl_config_switches.cc
index 779149d015dd06bfa9438d3a332a23154f3319f5..05ed87b7f7ab2279356a455b9aab54233784f985 100644
--- a/components/ssl_config/ssl_config_switches.cc
+++ b/components/ssl_config/ssl_config_switches.cc
@@ -12,12 +12,8 @@ const char kSSLVersionMax[] = "ssl-version-max";
 // Specifies the minimum SSL/TLS version ("tls1", "tls1.1", or "tls1.2").
 const char kSSLVersionMin[] = "ssl-version-min";
 
-// Specifies the minimum SSL/TLS version ("tls1.1" or "tls1.2") that
-// TLS fallback will accept.
-const char kSSLVersionFallbackMin[] = "ssl-version-fallback-min";
-
-// These values aren't switches, but rather the values that kSSLVersionMax,
-// kSSLVersionMin and kSSLVersionFallbackMin can have.
+// These values aren't switches, but rather the values that kSSLVersionMax and
+// kSSLVersionMin can have.
 const char kSSLVersionTLSv1[] = "tls1";
 const char kSSLVersionTLSv11[] = "tls1.1";
 const char kSSLVersionTLSv12[] = "tls1.2";