Remove old zx_log_* syscall references

ZX-2184 #comment

Change-Id: Iaaa461fd52dd3842a5f6e551b6dbdfebe090ef30
diff --git a/executor/syscalls_fuchsia.h b/executor/syscalls_fuchsia.h
index 06040b7..5a71eb6 100644
--- a/executor/syscalls_fuchsia.h
+++ b/executor/syscalls_fuchsia.h
@@ -89,8 +89,6 @@
     {"zx_handle_replace", 0, (syscall_t)zx_handle_replace},
     {"zx_job_create", 0, (syscall_t)zx_job_create},
     {"zx_job_set_policy", 0, (syscall_t)zx_job_set_policy},
-    {"zx_log_read", 0, (syscall_t)zx_log_read},
-    {"zx_log_write", 0, (syscall_t)zx_log_write},
     {"zx_nanosleep", 0, (syscall_t)zx_nanosleep},
     {"zx_object_get_cookie", 0, (syscall_t)zx_object_get_cookie},
     {"zx_object_get_info$ZX_INFO_CPU_STATS", 0, (syscall_t)zx_object_get_info},
@@ -258,8 +256,6 @@
     {"zx_handle_replace", 0, (syscall_t)zx_handle_replace},
     {"zx_job_create", 0, (syscall_t)zx_job_create},
     {"zx_job_set_policy", 0, (syscall_t)zx_job_set_policy},
-    {"zx_log_read", 0, (syscall_t)zx_log_read},
-    {"zx_log_write", 0, (syscall_t)zx_log_write},
     {"zx_nanosleep", 0, (syscall_t)zx_nanosleep},
     {"zx_object_get_cookie", 0, (syscall_t)zx_object_get_cookie},
     {"zx_object_get_info$ZX_INFO_CPU_STATS", 0, (syscall_t)zx_object_get_info},
diff --git a/sys/fuchsia/gen/amd64.go b/sys/fuchsia/gen/amd64.go
index e6f1681..715642a 100644
--- a/sys/fuchsia/gen/amd64.go
+++ b/sys/fuchsia/gen/amd64.go
@@ -595,18 +595,6 @@
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "policy", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "zx_policy_basic"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "count", TypeSize: 8}}, Buf: "policy"},
 	}},
-	{Name: "zx_log_read", CallName: "zx_log_read", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_log", FldName: "handle", TypeSize: 4}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Buf: "ptr"},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ptr", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "options", TypeSize: 4}}},
-	}},
-	{Name: "zx_log_write", CallName: "zx_log_write", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_log", FldName: "handle", TypeSize: 4}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Buf: "ptr"},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ptr", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "options", TypeSize: 4}}},
-	}},
 	{Name: "zx_nanosleep", CallName: "zx_nanosleep", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_time", FldName: "deadline", TypeSize: 8}},
 	}},
diff --git a/sys/fuchsia/gen/arm64.go b/sys/fuchsia/gen/arm64.go
index b0ad159..aadbf1f 100644
--- a/sys/fuchsia/gen/arm64.go
+++ b/sys/fuchsia/gen/arm64.go
@@ -595,18 +595,6 @@
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "policy", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "zx_policy_basic"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "count", TypeSize: 8}}, Buf: "policy"},
 	}},
-	{Name: "zx_log_read", CallName: "zx_log_read", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_log", FldName: "handle", TypeSize: 4}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Buf: "ptr"},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ptr", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "options", TypeSize: 4}}},
-	}},
-	{Name: "zx_log_write", CallName: "zx_log_write", Args: []Type{
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_log", FldName: "handle", TypeSize: 4}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Buf: "ptr"},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ptr", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "options", TypeSize: 4}}},
-	}},
 	{Name: "zx_nanosleep", CallName: "zx_nanosleep", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "zx_time", FldName: "deadline", TypeSize: 8}},
 	}},
diff --git a/sys/fuchsia/log.txt b/sys/fuchsia/log.txt
index 645ffa9..d1377f7 100644
--- a/sys/fuchsia/log.txt
+++ b/sys/fuchsia/log.txt
@@ -6,8 +6,4 @@
 
 resource zx_log[zx_handle]
 
-# TODO: do we need root resource for this? kernel actually has debuglog_create syscall that accepts resource...
-zx_log_write(handle zx_log, len len[ptr], ptr ptr[in, array[int8]], options int32)
-zx_log_read(handle zx_log, len len[ptr], ptr ptr[out, array[int8]], options int32)
-
 log_create_options = ZX_LOG_FLAG_READABLE