Use only ppx_let_generalized (some dune files were still relying on ppx_let)

src/ligo/ast_simplified/dune

@@ -5,6 +5,6 @@
     tezos-utils
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )

src/ligo/ast_typed/dune

@@ -6,6 +6,6 @@
     ast_simplified ; Is that a good idea?
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )

src/ligo/bin/dune

@@ -7,6 +7,6 @@
   )
   (package ligo)
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )

src/ligo/compiler/dune

@@ -8,7 +8,7 @@
     operators
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )

src/ligo/mini_c/dune

@@ -6,7 +6,7 @@
     meta_michelson
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )

src/ligo/multifix/dune

@@ -8,7 +8,7 @@
   (modules ast parser user)
   (flags (:standard -w +1..62-4-9-44-40-42-48@39@33 -open Tezos_utils ))
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )
 

src/ligo/operators/dune

@@ -7,6 +7,6 @@
     mini_c
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
 )

src/ligo/run/dune

@@ -8,7 +8,7 @@
     compiler
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48-30@39@33 -open Tezos_utils ))
 )

src/ligo/test/dune

@@ -6,7 +6,7 @@
     alcotest
   )
   (preprocess
-    (pps ppx_let)
+    (pps tezos-utils.ppx_let_generalized)
   )
   (flags (:standard -w +1..62-4-9-44-40-42-48@39@33 -open Tezos_utils ))
 )