home: vim: remove redundant ftdetect files

These have been added upstream and made redundant as part of the update
to v0.10.

modules/home/vim/ftdetect/blueprint.lua

@@ -1,6 +0,0 @@
--- Use `bp` filetype for Blueprint files
-vim.filetype.add({
-    extension = {
-        bp = "bp",
-    },
-})

modules/home/vim/ftdetect/gn.lua

@@ -1,7 +0,0 @@
--- Use GN filetype for Chromium Generate Ninja files
-vim.filetype.add({
-    extension = {
-        gn = "gn",
-        gni = "gn",
-    },
-})

modules/home/vim/ftdetect/kbuild.lua

@@ -1,6 +0,0 @@
--- Kbuild is just a Makefile under a different name
-vim.filetype.add({
-    filename = {
-        ["Kbuild"] = "make",
-    },
-})

modules/home/vim/ftdetect/tikz.lua

@@ -1,6 +0,0 @@
--- Use LaTeX filetype for TikZ files
-vim.filetype.add({
-    extension = {
-        tikz = "tex",
-    },
-})