PY-30803 Ignore requirements with environment markers

Environment markers are not supported yet, see PEP 496.

python/testData/inspections/PyPackageRequirementsInspection/PipEnvEnvironmentMarkers/Pipfile

@@ -0,0 +1,12 @@
+[[source]]
+name = "pypi"
+verify_ssl = true
+url = "https://pypi.org/simple"
+
+[packages]
+
+[dev-packages]
+pytest = "*"
+
+[requires]
+python_version = "3.5"

python/testData/inspections/PyPackageRequirementsInspection/PipEnvEnvironmentMarkers/Pipfile.lock

@@ -0,0 +1,80 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "40d973ba4b11089fb91a60d1184a22424028289e5e337e54e0c2ecb33db4d763"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.5"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {},
+    "develop": {
+        "atomicwrites": {
+            "hashes": [
+                "sha256:240831ea22da9ab882b551b31d4225591e5e447a68c5e188db5b89ca1d487585",
+                "sha256:a24da68318b08ac9c9c45029f4a10371ab5b20e4226738e150e6e7c571630ae6"
+            ],
+            "version": "==1.1.5"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
+                "sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
+            ],
+            "version": "==18.1.0"
+        },
+        "more-itertools": {
+            "hashes": [
+                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
+                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
+                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
+            ],
+            "version": "==4.3.0"
+        },
+        "pathlib2": {
+            "hashes": [
+                "sha256:8eb170f8d0d61825e09a95b38be068299ddeda82f35e96c3301a8a5e7604cb83",
+                "sha256:d1aa2a11ba7b8f7b21ab852b1fb5afb277e1bb99d5dfc663380b5015c0d80c5a"
+            ],
+            "markers": "python_version < '3.6'",
+            "version": "==2.3.2"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:6e3836e39f4d36ae72840833db137f7b7d35105079aee6ec4a62d9f80d594dd1",
+                "sha256:95eb8364a4708392bae89035f45341871286a333f749c3141c20573d2b3876e1"
+            ],
+            "version": "==0.7.1"
+        },
+        "py": {
+            "hashes": [
+                "sha256:3fd59af7435864e1a243790d322d763925431213b6b8529c6ca71081ace3bbf7",
+                "sha256:e31fb2767eb657cbde86c454f02e99cb846d3cd9d61b318525140214fdc0e98e"
+            ],
+            "version": "==1.5.4"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:8214ab8446104a1d0c17fbd218ec6aac743236c6ffbe23abc038e40213c60b88",
+                "sha256:e2b2c6e1560b8f9dc8dd600b0923183fbd68ba3d9bdecde04467be6dd296a384"
+            ],
+            "index": "pypi",
+            "version": "==3.7.0"
+        },
+        "six": {
+            "hashes": [
+                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
+                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+            ],
+            "version": "==1.11.0"
+        }
+    }
+}