refactor(nix): Drop use of Lazy.nvim

flake.lock

flake.nix

home-manager/default.nix

home-manager/lazy-nvim.nix

home-manager/plugins/barbar/config.lua

home-manager/plugins/barbar/default.nix

home-manager/plugins/cmp/config.lua

home-manager/plugins/cmp/default.nix

home-manager/plugins/dap-ui/config.lua

home-manager/plugins/dap-ui/default.nix

home-manager/plugins/dap/config.lua

home-manager/plugins/dap/default.nix

home-manager/plugins/gitsigns/config.lua

home-manager/plugins/gitsigns/default.nix

home-manager/plugins/indent-blankline/config.lua

home-manager/plugins/indent-blankline/default.nix

home-manager/plugins/lsp-status/config.lua

home-manager/plugins/lsp-status/default.nix

home-manager/plugins/lspconfig/config.lua

home-manager/plugins/lspconfig/default.nix