remove -Werror

there are compile warnings on Linux which -Werror elevates to errors,
preventing compile

llama/llama.go

 package llama
 
 /*
-#cgo CPPFLAGS: -O3 -Wall -Wextra -Werror -Wno-unused-function -Wno-unused-variable -DNDEBUG -DGGML_USE_K_QUANTS
+#cgo CPPFLAGS: -O3 -Wall -Wextra -Wno-unused-function -Wno-unused-variable -DNDEBUG -DGGML_USE_K_QUANTS
 #cgo CXXFLAGS: -std=gnu++11
 #cgo darwin CPPFLAGS:  -DGGML_USE_ACCELERATE
 #cgo darwin,arm64 CPPFLAGS: -DGGML_USE_METAL -DGGML_METAL_NDEBUG