curl: move more options to deprecated category

--no-npn, --sslv2, --sslv3

Closes #14109

docs/cmdline-opts/no-npn.md

@@ -8,7 +8,7 @@ Added: 7.36.0
 Mutexed:
 Requires: TLS
 Help: Disable the NPN TLS extension
-Category: tls http
+Category: deprecated
 Multi: boolean
 See-also:
   - no-alpn

docs/cmdline-opts/sslv2.md

@@ -9,7 +9,7 @@ Added: 5.9
 Mutexed: sslv3 tlsv1 tlsv1.1 tlsv1.2
 Requires: TLS
 Help: SSLv2
-Category: tls
+Category: deprecated
 Multi: mutex
 See-also:
   - http1.1

docs/cmdline-opts/sslv3.md

@@ -9,7 +9,7 @@ Added: 5.9
 Mutexed: sslv2 tlsv1 tlsv1.1 tlsv1.2
 Requires: TLS
 Help: SSLv3
-Category: tls
+Category: deprecated
 Multi: mutex
 See-also:
   - http1.1

src/tool_listhelp.c

@@ -422,7 +422,7 @@ const struct helptxt helptext[] = {
    CURLHELP_CONNECTION},
   {"    --no-npn",
    "Disable the NPN TLS extension",
-   CURLHELP_TLS | CURLHELP_HTTP},
+   CURLHELP_DEPRECATED},
   {"    --no-progress-meter",
    "Do not show the progress meter",
    CURLHELP_VERBOSE},
@@ -711,10 +711,10 @@ const struct helptxt helptext[] = {
    CURLHELP_TLS},
   {"-2, --sslv2",
    "SSLv2",
-   CURLHELP_TLS},
+   CURLHELP_DEPRECATED},
   {"-3, --sslv3",
    "SSLv3",
-   CURLHELP_TLS},
+   CURLHELP_DEPRECATED},
   {"    --stderr <file>",
    "Where to redirect stderr",
    CURLHELP_VERBOSE | CURLHELP_GLOBAL},