Remove mypy from examples/demo

examples/demo/requirements.in

diff --git a/examples/demo/requirements.in b/examples/demo/requirements.in
index f3944ca..f31cdfa 100644
--- a/examples/demo/requirements.in
+++ b/examples/demo/requirements.in
@@ -1,3 +1,2 @@
 cachetools~=5.4.0
 types-cachetools~=5.4.0.20240717
-mypy~=1.11.0
\ No newline at end of file

examples/demo/requirements.txt

diff --git a/examples/demo/requirements.txt b/examples/demo/requirements.txt
index a9c3a4c..7e2f4a7 100644
--- a/examples/demo/requirements.txt
+++ b/examples/demo/requirements.txt
@@ -6,44 +6,7 @@
     --hash=sha256:3ae3b49a3d5e28a77a0be2b37dbcb89005058959cb2323858c2657c4a8cab474 \
     --hash=sha256:b8adc2e7c07f105ced7bc56dbb6dfbe7c4a00acce20e2227b3f355be89bc6827
     # via -r requirements.in
-mypy==1.11.0 \
-    --hash=sha256:0bea2a0e71c2a375c9fa0ede3d98324214d67b3cbbfcbd55ac8f750f85a414e3 \
-    --hash=sha256:104e9c1620c2675420abd1f6c44bab7dd33cc85aea751c985006e83dcd001095 \
-    --hash=sha256:14f9294528b5f5cf96c721f231c9f5b2733164e02c1c018ed1a0eff8a18005ac \
-    --hash=sha256:1a5d8d8dd8613a3e2be3eae829ee891b6b2de6302f24766ff06cb2875f5be9c6 \
-    --hash=sha256:1d44c1e44a8be986b54b09f15f2c1a66368eb43861b4e82573026e04c48a9e20 \
-    --hash=sha256:25bcfa75b9b5a5f8d67147a54ea97ed63a653995a82798221cca2a315c0238c1 \
-    --hash=sha256:35ce88b8ed3a759634cb4eb646d002c4cef0a38f20565ee82b5023558eb90c00 \
-    --hash=sha256:56913ec8c7638b0091ef4da6fcc9136896914a9d60d54670a75880c3e5b99ace \
-    --hash=sha256:65f190a6349dec29c8d1a1cd4aa71284177aee5949e0502e6379b42873eddbe7 \
-    --hash=sha256:6801319fe76c3f3a3833f2b5af7bd2c17bb93c00026a2a1b924e6762f5b19e13 \
-    --hash=sha256:72596a79bbfb195fd41405cffa18210af3811beb91ff946dbcb7368240eed6be \
-    --hash=sha256:93743608c7348772fdc717af4aeee1997293a1ad04bc0ea6efa15bf65385c538 \
-    --hash=sha256:940bfff7283c267ae6522ef926a7887305945f716a7704d3344d6d07f02df850 \
-    --hash=sha256:96f8dbc2c85046c81bcddc246232d500ad729cb720da4e20fce3b542cab91287 \
-    --hash=sha256:98790025861cb2c3db8c2f5ad10fc8c336ed2a55f4daf1b8b3f877826b6ff2eb \
-    --hash=sha256:a3824187c99b893f90c845bab405a585d1ced4ff55421fdf5c84cb7710995229 \
-    --hash=sha256:a83ec98ae12d51c252be61521aa5731f5512231d0b738b4cb2498344f0b840cd \
-    --hash=sha256:becc9111ca572b04e7e77131bc708480cc88a911adf3d0239f974c034b78085c \
-    --hash=sha256:c1a184c64521dc549324ec6ef7cbaa6b351912be9cb5edb803c2808a0d7e85ac \
-    --hash=sha256:c7b73a856522417beb78e0fb6d33ef89474e7a622db2653bc1285af36e2e3e3d \
-    --hash=sha256:cea3d0fb69637944dd321f41bc896e11d0fb0b0aa531d887a6da70f6e7473aba \
-    --hash=sha256:d2b3d36baac48e40e3064d2901f2fbd2a2d6880ec6ce6358825c85031d7c0d4d \
-    --hash=sha256:d7b54c27783991399046837df5c7c9d325d921394757d09dbcbf96aee4649fe9 \
-    --hash=sha256:d8e2e43977f0e09f149ea69fd0556623919f816764e26d74da0c8a7b48f3e18a \
-    --hash=sha256:dbe286303241fea8c2ea5466f6e0e6a046a135a7e7609167b07fd4e7baf151bf \
-    --hash=sha256:f006e955718ecd8d159cee9932b64fba8f86ee6f7728ca3ac66c3a54b0062abe \
-    --hash=sha256:f2268d9fcd9686b61ab64f077be7ffbc6fbcdfb4103e5dd0cc5eaab53a8886c2
-    # via -r requirements.in
-mypy-extensions==1.0.0 \
-    --hash=sha256:4392f6c0eb8a5668a69e23d168ffa70f0be9ccfd32b5cc2d26a34ae5b844552d \
-    --hash=sha256:75dbf8955dc00442a438fc4d0666508a9a97b6bd41aa2f0ffe9d2f2725af0782
-    # via mypy
 types-cachetools==5.4.0.20240717 \
     --hash=sha256:1eae90c48760bac44ab89108be938e8ce1d740910f2d4b68446dcdc82763f186 \
     --hash=sha256:67c84c26df988039be68344b162afd2dd7cd3741dc08e7d67aa1954782fd2d2a
     # via -r requirements.in
-typing-extensions==4.12.2 \
-    --hash=sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d \
-    --hash=sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8
-    # via mypy