squash! ggml : move rope type enum to ggml.h

This commit removes the enum ggml_rope_type from ggml.h and replaces it
with a define (GGML_ROPE_TYPE_NEOX). This define is used in the code to
check if the mode is set to GPT-NeoX. Also the enum llama_rope_type has
been updated to reflect this change.

ggml/include/ggml.h

@@ -244,6 +244,8 @@
 #define GGML_EXIT_SUCCESS 0
 #define GGML_EXIT_ABORTED 1
 
+#define GGML_ROPE_TYPE_NEOX 2
+
 #define GGUF_MAGIC "GGUF"
 
 #define GGUF_VERSION 3
@@ -437,12 +439,6 @@ extern "C" {
         GGML_FTYPE_MOSTLY_Q4_0_8_8 = 27, // except 1d tensors
     };
 
-    // Rotary Positional Embedding (RoPE) types
-    enum ggml_rope_type {
-        GGML_ROPE_TYPE_NORM =  0,
-        GGML_ROPE_TYPE_NEOX =  2,
-    };
-
     // available tensor operations:
     enum ggml_op {
         GGML_OP_NONE = 0,
@@ -1460,7 +1456,7 @@ extern "C" {
 
     // rotary position embedding
     // if mode & 1 == 1, skip n_past elements (NOT SUPPORTED)
-    // if mode & 2 == 1, GPT-NeoX style
+    // if mode & GGML_ROPE_TYPE_NEOX == 1, GPT-NeoX style
     //
     // b is an int32 vector with size a->ne[2], it contains the positions
     GGML_API struct ggml_tensor * ggml_rope(