Revert "typescript bindings maintenance (#2363)"

As discussed on Discord, this PR was not ready to be merged. CI fails on
it.

This reverts commit a602f7fde7.

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

gpt4all-bindings/typescript/binding.gyp

@@ -1,15 +1,19 @@
 {
   "targets": [
     {
-      "target_name": "gpt4all",
+      "target_name": "gpt4all", # gpt4all-ts will cause compile error
       "include_dirs": [
         "<!@(node -p \"require('node-addon-api').include\")",
-        "backend",
+        "../../gpt4all-backend",
       ],
       "sources": [
-        "backend/llmodel_c.cpp",
-        "backend/llmodel.cpp",
-        "backend/dlhandle.cpp",
+        # PREVIOUS VERSION: had to required the sources, but with newest changes do not need to
+        #"../../gpt4all-backend/llama.cpp/examples/common.cpp",
+        #"../../gpt4all-backend/llama.cpp/ggml.c",
+        #"../../gpt4all-backend/llama.cpp/llama.cpp",
+        # "../../gpt4all-backend/utils.cpp",
+        "../../gpt4all-backend/llmodel_c.cpp",
+        "../../gpt4all-backend/llmodel.cpp",
         "prompt.cc",
         "index.cc",
        ],