remote unnecessary dependencies between peer crates

These dependencies make cargo rebuild more than is strictly necessary.
Removing them makes the build a little faster.

Cargo.lock

@@ -384,7 +384,6 @@ version = "0.1.0"
 dependencies = [
  "home",
  "lazy_static",
- "pageserver",
  "postgres",
  "rand 0.8.3",
  "regex",
@@ -392,7 +391,6 @@ dependencies = [
  "serde_derive",
  "tokio-postgres",
  "toml",
- "walkeeper",
 ]
 
 [[package]]
@@ -928,11 +926,9 @@ version = "0.1.0"
 dependencies = [
  "control_plane",
  "lazy_static",
- "pageserver",
  "postgres",
  "rand 0.8.3",
  "tokio-postgres",
- "walkeeper",
 ]
 
 [[package]]
@@ -2295,7 +2291,6 @@ dependencies = [
  "futures",
  "lazy_static",
  "log",
- "pageserver",
  "postgres",
  "postgres-protocol",
  "rand 0.8.3",

control_plane/Cargo.toml

@@ -17,6 +17,3 @@ toml = ""
 home = "0.5.3"
 lazy_static = ""
 regex = "1"
-
-pageserver = { path = "../pageserver" }
-walkeeper = { path = "../walkeeper" }

integration_tests/Cargo.toml

@@ -12,6 +12,4 @@ rand = "0.8.3"
 postgres = { git = "https://github.com/zenithdb/rust-postgres.git", rev="a0d067b66447951d1276a53fb09886539c3fa094" }
 tokio-postgres = { git = "https://github.com/zenithdb/rust-postgres.git", rev="a0d067b66447951d1276a53fb09886539c3fa094" }
 
-pageserver = { path = "../pageserver" }
-walkeeper = { path = "../walkeeper" }
 control_plane = { path = "../control_plane" }

walkeeper/Cargo.toml

@@ -34,5 +34,3 @@ postgres-protocol = { git = "https://github.com/zenithdb/rust-postgres.git", rev
 postgres = { git = "https://github.com/zenithdb/rust-postgres.git", rev="a0d067b66447951d1276a53fb09886539c3fa094" }
 anyhow = "1.0"
 crc32c = "0.6.0"
-
-pageserver = { path = "../pageserver" }