feat!: Removing TimeSeriesQueryLanguageCondition as an alert condition type (#161)

The condition type is unsupported and unused.  It was originally added for the Monitoring Query Language Alpha feature.

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PiperOrigin-RevId: 310060413
Source-Link: googleapis/googleapis@a3a0bf0

BREAKING_CHANGE: TimeSeriesQueryLanguageCondition has been removed.

Author: yoshi-automation

CONTRIBUTING.md

@@ -99,7 +99,16 @@ mvn -Penable-samples clean verify
     ```
 
 2. [Activate](#profile-activation) the profile.
-3. Define your samples in a normal Maven project in the `samples/` directory
+3. Define your samples in a normal Maven project in the `samples/` directory.
+
+### Code Formatting
+
+Code in this repo is formatted with
+[google-java-format](https://github.com/google/google-java-format).
+To run formatting on your project, you can run:
+```
+mvn com.coveo:fmt-maven-plugin:format
+```
 
 ### Profile Activation
 

google-cloud-monitoring/clirr-ignored-differences.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
+<differences>
+  <!-- TODO: remove after 2.0.0 is released -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/monitoring/v3/AlertPolicyServiceClient</className>
+    <method>* *AlertPolic*(com.google.monitoring.v3.ProjectName*)</method>
+    <to>* *AlertPolic*(com.google.api.resourcenames.ResourceName*)</to>
+  </difference>
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/monitoring/v3/GroupServiceClient</className>
+    <method>* *Group*(com.google.monitoring.v3.ProjectName*)</method>
+    <to>* *Group*(com.google.api.resourcenames.ResourceName*)</to>
+  </difference>
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/monitoring/v3/MetricServiceClient</className>
+    <method>* *(com.google.monitoring.v3.ProjectName*)</method>
+    <to>* *(com.google.api.resourcenames.ResourceName*)</to>
+  </difference>
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/monitoring/v3/NotificationChannelServiceClient</className>
+    <method>* *NotificationChannel*(com.google.monitoring.v3.ProjectName*)</method>
+    <to>* *NotificationChannel*(com.google.api.resourcenames.ResourceName*)</to>
+  </difference>
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/cloud/monitoring/v3/ServiceMonitoringServiceClient</className>
+    <method>* *Service*(com.google.monitoring.v3.ProjectName*)</method>
+    <to>* *Service*(com.google.api.resourcenames.ResourceName*)</to>
+  </difference>
+</differences>