dev-python/socketpool: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/2375

Signed-off-by: David Seifert <soap@gentoo.org>

dev-python/socketpool/files/socketpool-0.5.2-pool.patch

@@ -1,35 +0,0 @@
-patch made from https://github.com/benoitc/socketpool/blob/06d659612f15cb4c207a2fc508b6099e09d3fde7/socketpool/pool.py
-in reply to;  size is supposed to be a property. fix #20
-commit 06d659612f15cb4c207a2fc508b6099e09d3fde7.
-file included changes making the first hunk
-diff -ur socketpool-0.5.2.orig/socketpool/pool.py socketpool-0.5.2/socketpool/pool.py
---- socketpool/pool.py	2012-08-05 12:22:13.000000000 +0800
-+++ socketpool/pool.py	2013-02-10 22:51:45.607637365 +0800
-@@ -48,8 +48,12 @@
-                  max_size=10, options=None,
-                  reap_connections=True, backend="thread"):
- 
--        self.backend_mod = load_backend(backend)
--        self.backend = backend
-+        if isinstance(backend, str):
-+            self.backend_mod = load_backend(backend)
-+            self.backend = backend
-+        else:
-+            self.backend_mod = backend
-+            self.backend = str(getattr(backend, '__name__', backend))
-         self.max_size = max_size
-         self.pool = getattr(self.backend_mod, 'PriorityQueue')()
-         self._free_conns = 0
-@@ -97,6 +101,7 @@
-         if conn.is_connected():
-             conn.invalidate()
- 
-+    @property
-     def size(self):
-         return self.pool.qsize()
- 
-@@ -193,3 +198,4 @@
-         finally:
-             self.release_connection(conn)
- 
-+