Remove ruby dependency from manpage build

docs/Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "6cffc39e0d43a6d7c78f39636c7ed1b047f7b819b158213a96d7cbfefd6524d7"
+            "sha256": "16a9ef323592a417142c30be17e58c3cf36dc2bfdbf4757106a796b22262a1ce"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -22,6 +22,38 @@
             "index": "pypi",
             "version": "==2.10"
         },
+        "lxml": {
+            "hashes": [
+                "sha256:0537eee4902e8bf4f41bfee8133f7edf96533dd175930a12086d6a40d62376b2",
+                "sha256:0562ec748abd230ab87d73384e08fa784f9b9cee89e28696087d2d22c052cc27",
+                "sha256:09e91831e749fbf0f24608694e4573be0ef51430229450c39c83176cc2e2d353",
+                "sha256:1ae4c0722fc70c0d4fba43ae33c2885f705e96dce1db41f75ae14a2d2749b428",
+                "sha256:1c630c083d782cbaf1f7f37f6cac87bda9cff643cf2803a5f180f30d97955cef",
+                "sha256:2fe74e3836bd8c0fa7467ffae05545233c7f37de1eb765cacfda15ad20c6574a",
+                "sha256:37af783c2667ead34a811037bda56a0b142ac8438f7ed29ae93f82ddb812fbd6",
+                "sha256:3f2d9eafbb0b24a33f56acd16f39fc935756524dcb3172892721c54713964c70",
+                "sha256:47d8365a8ef14097aa4c65730689be51851b4ade677285a3b2daa03b37893e26",
+                "sha256:510e904079bc56ea784677348e151e1156040dbfb736f1d8ea4b9e6d0ab2d9f4",
+                "sha256:58d0851da422bba31c7f652a7e9335313cf94a641aa6d73b8f3c67602f75b593",
+                "sha256:7940d5c2185ffb989203dacbb28e6ae88b4f1bb25d04e17f94b0edd82232bcbd",
+                "sha256:7cf39bb3a905579836f7a8f3a45320d9eb22f16ab0c1e112efb940ced4d057a5",
+                "sha256:9563a23c1456c0ab550c087833bc13fcc61013a66c6420921d5b70550ea312bf",
+                "sha256:95b392952935947e0786a90b75cc33388549dcb19af716b525dae65b186138fc",
+                "sha256:983129f3fd3cef5c3cf067adcca56e30a169656c00fcc6c648629dbb850b27fa",
+                "sha256:a0b75b1f1854771844c647c464533def3e0a899dd094a85d1d4ed72ecaaee93d",
+                "sha256:b5db89cc0ef624f3a81214b7961a99f443b8c91e88188376b6b322fd10d5b118",
+                "sha256:c0a7751ba1a4bfbe7831920d98cee3ce748007eab8dfda74593d44079568219a",
+                "sha256:c0c5a7d4aafcc30c9b6d8613a362567e32e5f5b708dc41bc3a81dac56f8af8bb",
+                "sha256:d4d63d85eacc6cb37b459b16061e1f100d154bee89dc8d8f9a6128a5a538e92e",
+                "sha256:da5e7e941d6e71c9c9a717c93725cda0708c2474f532e3680ac5e39ec57d224d",
+                "sha256:dccad2b3c583f036f43f80ac99ee212c2fa9a45151358d55f13004d095e683b2",
+                "sha256:df46307d39f2aeaafa1d25309b8a8d11738b73e9861f72d4d0a092528f498baa",
+                "sha256:e70b5e1cb48828ddd2818f99b1662cb9226dc6f57d07fc75485405c77da17436",
+                "sha256:ea825562b8cd057cbc9810d496b8b5dec37a1e2fc7b27bc7c1e72ce94462a09a"
+            ],
+            "index": "pypi",
+            "version": "==4.3.1"
+        },
         "markdown": {
             "hashes": [
                 "sha256:c00429bd503a47ec88d5e30a751e147dcb4c6889663cd3e2ba0afe858e009baa",